1999 Explorer Hvac System Diagnosis
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1999 Ford Truck Explorer 4WD V6-245 4.0L VIN X SFI
Copyright © 2008, ALLDATA
9.90
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Heating and Air Conditioning: Testing and Inspection Flow of Diagnosis 1. Verify the customer's concern by operating the climate control system to duplicate the condition. 2. Inspect to determine if one of the mechanical or electrical concerns apply:
VISUAL INSPECTION CHART Mechanical ^ Loose, missing or damaged A/C compressor drive belt. ^ Loose or disconnected A/C clutch. ^ Loose, misrouted or damaged vacuum lines.(*) ^ Broken or leaking vacuum control motor.(*) ^ Broken or leaking refrigerant lines. ^ Obstructed in-car temperature sensor. Electrical ^ Open fuses. ^ Blower motor inoperative. ^ A/C compressor inoperative. ^ Circuitry open/shorted. ^ Disconnected electrical connectors. *
A leak in the vacuum control circuit may occur during acceleration (slow leak), may exist at all times (large leak), and may exist only when specific functions are selected (indicating a leak in that portion of the circuit). The vacuum hoses used in the passenger compartment control circuit are constructed from PVC plastic material. The vacuum hoses used in the engine compartment are constructed of Hytrel (R). Because of the materials used, never pinch the vacuum hoses off during diagnosis to locate a leak. A wood golf tee can be used as a plug when it is necessary to plug one end of the vacuum hose for leak test purposes.
3. If the inspection reveals obvious concern(s) that can be readily identified, repair as required. 4. If the concern remains after the inspection, connect the New Generation Star (NGS) Tester to the Data Link Connector (DLC) located beneath the instrument panel and select the vehicle to be tested from the NGS menu. If the vehicle selection cannot be entered: ^ check that the program card is correctly installed. ^ check the connections to the vehicle. ^ check the ignition switch position. If the NGS still does not allow with the vehicle selection to be entered, refer to the New Generation Star Tester manual. 5. Perform the DATA LINK DIAGNOSTIC TEST using the NGS. If the NGS responds with: ^ CKT914 and CKT915 = ALL MODULE NO RESPONSE/NOT EQUIPPED, go to Multiplex Communication Network to diagnose network concern. ^ If the Powertrain Control Module (PCM) is not listed for a communication concern, turn the A/C controls to OFF and execute self-test diagnostics for the PCM. ^ If equipped with EATC, and the EATC module is not listed for a communication concern, execute self-test diagnostics for the EATC module. See: Testing and Inspection Procedures/Displaying & Reading Trouble Codes 6. If any PCM or EATC DTCs are retrieved, and are related to the concern, go to the Powertrain Control Module Diagnostic Trouble Code (DTC) Index or the Electronic Automatic Temperature Control (EATC) Module Diagnostic Trouble Code (DTC) Index to continue diagnostics. See: Testing and Inspection Procedures/Trouble Code Descriptions/Trouble Code Index or See: Testing and Inspection Procedures/Trouble Code Descriptions/EATC Module Diagnostic Trouble Code Index 7. If no DTCs related to the concern are retrieved, go to the Symptom Chart to continue diagnostics. See: Testing and Inspection Procedures/Diagnosis By Symptom 8. If the electronic automatic temperature control module cannot be accessed by the NGS, GO to Pinpoint Test A. See: Testing and Inspection Procedures/Pinpoint Tests General System Diagnosis/A: No Communication With the EATC Module
1999 Ford Truck Explorer 4WD V6-245 4.0L VIN X SFI
Copyright © 2008, ALLDATA
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Visual Inspection 1. Verify the customer's concern by operating the climate control system to duplicate the condition. 2. Inspect to determine if one of the mechanical or electrical concerns apply:
VISUAL INSPECTION CHART Mechanical ^ Loose, missing or damaged A/C compressor drive belt. ^ Loose or disconnected A/C clutch. ^ Loose, misrouted or damaged vacuum lines.(a) ^ Broken or leaking vacuum control motor.(a) ^ Broken or leaking refrigerant lines. ^ Obstructed in-car temperature sensor. a
A leak in the vacuum control circuit may occur during acceleration (slow leak), may exist at all times (large leak), and may exist only when specific functions are selected (indicating a leak in that portion of the circuit). The vacuum hoses used in the passenger compartment control circuit are constructed from PVC plastic material. The vacuum hoses used in the engine compartment are constructed of Hytrel (R). Because of the materials used, never pinch the vacuum hoses off during diagnosis to locate a leak. A wood golf tee can be used as a
1999 Ford Truck Explorer 4WD V6-245 4.0L VIN X SFI
Copyright © 2008, ALLDATA
9.90
Page 3
plug when it is necessary to plug one end of the vacuum hose for leak test purposes. Electrical ^ Open fuses. ^ Blower motor inoperative. ^ A/C compressor inoperative. ^ Circuitry open/shorted. ^ Disconnected electrical connectors. 3. If the inspection reveals obvious concern(s) that can be readily identified, repair as required. 4. If the concern remains after the inspection, connect the New Generation Star (NGS) Tester to the Data Link Connector (DLC) located beneath the instrument panel and select the vehicle to be tested from the NGS menu. If the vehicle selection cannot be entered: ^ check that the program card is correctly installed. ^ check the connections to the vehicle. ^ check the ignition switch position. If the NGS still does not allow with the vehicle selection to be entered, refer to the New Generation Star Tester manual. 5. Perform the DATA LINK DIAGNOSTIC TEST using the NGS. If the NGS responds with: ^ CKT914 and CKT915 = ALL MODULE NO RESPONSE/NOT EQUIPPED, go to Multiplex Communication Network to diagnose network concern. ^ If the Powertrain Control Module (PCM) is not listed for a communication concern, turn the A/C controls to OFF and execute self-test diagnostics for the PCM. ^ If equipped with EATC, and the EATC module is not listed for a communication concern, execute self-test diagnostics for the EATC module. See: Testing and Inspection Procedures/Displaying & Reading Trouble Codes 6. If any PCM or EATC DTCs are retrieved, and are related to the concern, go to the Powertrain Control Module Diagnostic Trouble Code (DTC) Index or the Electronic Automatic Temperature Control (EATC) Module Diagnostic Trouble Code (DTC) Index to continue diagnostics. See: Testing and Inspection Procedures/Trouble Code Descriptions/Trouble Code Index or See: Testing and Inspection Procedures/Trouble Code Descriptions/EATC Module Diagnostic Trouble Code Index 7. If no DTCs related to the concern are retrieved, go to the Symptom Chart to continue diagnostics. See: Testing and Inspection Procedures/Diagnosis By Symptom 8. If the electronic automatic temperature control module cannot be accessed by the NGS, GO to Pinpoint Test A. See: Testing and Inspection Procedures/Pinpoint Tests General System Diagnosis/A: No Communication With the EATC Module
Displaying & Reading Trouble Codes NOTE: Ford DOES NOT provide a procedure to retrieve or clear trouble codes without the New Generation Star (NGS) tester. ELECTRONIC AUTOMATIC TEMPERATURE CONTROL MODULE SELF-TEST ^ ^
^ ^ ^ ^ ^ ^ ^ ^
The Electronic Automatic Temperature Control (EATC) module self-test will not detect concerns associated with data link messages like engine coolant temperature or vehicle speed signals. A New Generation Star (NGS) tester must be used to retrieve these concerns. The EATC module self-test will detect concerns in the system control functions and will display hard Diagnostic Trouble Codes (DTC) in addition to intermittent diagnostic trouble codes for concerns that occur during system operation. The vehicle interior temperature should be between 4°-32°C (40°-90°F) when performing the self-test. If the temperatures are not within the specified ranges, false in-car temperature sensor DTCs will be displayed. The self-test can be initiated at any time. Normal operation of the system stops when the self-test is activated. To enter the self-test, press the OFF and FLOOR buttons simultaneously and then press the AUTOMATIC button within two seconds. The display will show a pulse tracer going around the center of the display window. The test may run as long as 30 seconds. Record all DTCs displayed. If any DTCs appear during the self-test, follow the diagnostics procedure given under ACTION for each DTC given. If a condition exists but no DTCs appear during the self-test, refer to the Symptom Chart Condition: The EATC System Is Inoperative, Intermittent or Improper Operation. See: Testing and Inspection Procedures/Diagnosis By Symptom To exit self-test and retain all intermittent DTCs, push the blue (cooler) button. The control will exit self-test, retain all intermittent diagnostic trouble codes and then turn OFF (display blank). To exit self-test and clear all diagnostic trouble codes, press the DEFROST button. The vacuum fluorescent display window will show 888 and all function symbols for one second. Then, the EATC control assembly will turn OFF (display blank) and all DTCs will be cleared. Always exit the self-test before powering the system down (system turned OFF). Intermittent DTCs will be deleted after 80 ignition switch ON cycles after the intermittent condition occurs.
Clearing Trouble Codes NOTE: Ford DOES NOT provide a procedure to retrieve or clear trouble codes without the New Generation Star (NGS) tester. ELECTRONIC AUTOMATIC TEMPERATURE CONTROL MODULE SELF-TEST
1999 Ford Truck Explorer 4WD V6-245 4.0L VIN X SFI ^ ^
^ ^ ^ ^ ^ ^ ^ ^
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The Electronic Automatic Temperature Control (EATC) module self-test will not detect concerns associated with data link messages like engine coolant temperature or vehicle speed signals. A New Generation Star (NGS) tester must be used to retrieve these concerns. The EATC module self-test will detect concerns in the system control functions and will display hard Diagnostic Trouble Codes (DTC) in addition to intermittent diagnostic trouble codes for concerns that occur during system operation. The vehicle interior temperature should be between 4°-32°C (40°-90°F) when performing the self-test. If the temperatures are not within the specified ranges, false in-car temperature sensor DTCs will be displayed. The self-test can be initiated at any time. Normal operation of the system stops when the self-test is activated. To enter the self-test, press the OFF and FLOOR buttons simultaneously and then press the AUTOMATIC button within two seconds. The display will show a pulse tracer going around the center of the display window. The test may run as long as 30 seconds. Record all DTCs displayed. If any DTCs appear during the self-test, follow the diagnostics procedure given under ACTION for each DTC given. If a condition exists but no DTCs appear during the self-test, refer to the Symptom Chart Condition: The EATC System Is Inoperative, Intermittent or Improper Operation. See: Testing and Inspection Procedures/Diagnosis By Symptom To exit self-test and retain all intermittent DTCs, push the blue (cooler) button. The control will exit self-test, retain all intermittent diagnostic trouble codes and then turn OFF (display blank). To exit self-test and clear all diagnostic trouble codes, press the DEFROST button. The vacuum fluorescent display window will show 888 and all function symbols for one second. Then, the EATC control assembly will turn OFF (display blank) and all DTCs will be cleared. Always exit the self-test before powering the system down (system turned OFF). Intermittent DTCs will be deleted after 80 ignition switch ON cycles after the intermittent condition occurs.
P Code Charts
1999 Ford Truck Explorer 4WD V6-245 4.0L VIN X SFI
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P1464-1 - P1464-3
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1999 Ford Truck Explorer 4WD V6-245 4.0L VIN X SFI
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P1464-4 - P1464-5
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1999 Ford Truck Explorer 4WD V6-245 4.0L VIN X SFI
B1249 Blend Door Failure
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P1464-6 - P1464-7
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1999 Ford Truck Explorer 4WD V6-245 4.0L VIN X SFI
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B1249-1
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1999 Ford Truck Explorer 4WD V6-245 4.0L VIN X SFI
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B1249-2 - B1249-3
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1999 Ford Truck Explorer 4WD V6-245 4.0L VIN X SFI
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B1249-4 - B1249-6
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1999 Ford Truck Explorer 4WD V6-245 4.0L VIN X SFI
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B1249-7
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1999 Ford Truck Explorer 4WD V6-245 4.0L VIN X SFI
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B1249-8
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1999 Ford Truck Explorer 4WD V6-245 4.0L VIN X SFI
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B1249-9 - B1249-10
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1999 Ford Truck Explorer 4WD V6-245 4.0L VIN X SFI
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B1249-11 - B1249-12
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1999 Ford Truck Explorer 4WD V6-245 4.0L VIN X SFI
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B1249-13 - B1249-14
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1999 Ford Truck Explorer 4WD V6-245 4.0L VIN X SFI
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B1249-15 - B1249-16
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1999 Ford Truck Explorer 4WD V6-245 4.0L VIN X SFI
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B1249-17 - B1249-19
B1251 A/C In-Car Temp Sensor Open Circuit
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1999 Ford Truck Explorer 4WD V6-245 4.0L VIN X SFI
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B1251-1 - B1251-2
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1999 Ford Truck Explorer 4WD V6-245 4.0L VIN X SFI
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B1251-3
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1999 Ford Truck Explorer 4WD V6-245 4.0L VIN X SFI
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B1251-4 - B1251-5
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1999 Ford Truck Explorer 4WD V6-245 4.0L VIN X SFI
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B1253-1 - B1253-2
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B1253-3 - B1253-4
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1999 Ford Truck Explorer 4WD V6-245 4.0L VIN X SFI
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B1255-1 - B1255-2
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1999 Ford Truck Explorer 4WD V6-245 4.0L VIN X SFI
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B1255-3 - B1255-5
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1999 Ford Truck Explorer 4WD V6-245 4.0L VIN X SFI
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B1257-1 - B1257-2
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1999 Ford Truck Explorer 4WD V6-245 4.0L VIN X SFI
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B1257-3 - B1257-4
B1261 A/C Solar Radiation Sensor CKT Short to GND
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1999 Ford Truck Explorer 4WD V6-245 4.0L VIN X SFI
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B1261-1 - B1261-2
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1999 Ford Truck Explorer 4WD V6-245 4.0L VIN X SFI
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B1261-3
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Non-Trouble Code Procedures
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B1261-4 - B1261-6
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R-134a Manifold Gauge Set
SPECIAL TOOL 1. Connect the R-134a Manifold Gauge Set. 2. Adjust the climate control for maximum cooling. ^ Start the engine. ^ Select MAX A/C operation. ^ Set the blower motor speed to maximum.
3. Stabilize the in-vehicle temperature at 21°C-27°C (70°F-80°F).
4. Maintain the engine speed at 1,500 rpm. NOTE: When the ambient temperatures exceed 38°C (100°F), do not run the engine above normal idle speed.
5. Determine the compressor discharge (high) pressure. 1 Record the ambient temperature. 2 Record the discharge (high) pressure. 3 The system performance is acceptable when the pressure reading falls between the upper and lower limits. NOTE: In ambient temperatures between 38°C-43°C (100°F-110°F), the system performance pressures will be the same as those for
1999 Ford Truck Explorer 4WD V6-245 4.0L VIN X SFI
Copyright © 2008, ALLDATA
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ambient temperatures shown on the chart in the 32°C-38°C (90°F-100°F) range.
6. Determine the compressor suction (low) pressure. 1 Record the ambient temperature. 2 Record the suction (low) pressure. 3 The system performance is acceptable when the pressure reading falls between the upper and lower limits. NOTE: In ambient temperatures between 38°C-43°C (100°F-110°F), the system performance pressures will be the same as those for ambient temperatures shown on the chart in the 32°C-38°C (90°F-100°F) range.
7. Determine the A/C clutch ON time. 1 Record the ambient temperature. 2 Record the A/C clutch ON time in seconds. 3 The system performance is acceptable when the recorded time falls between the upper and lower limits. NOTE: When the ambient temperature is above 26°C (80°F), the A/C clutch may not cycle.
8. Determine the A/C clutch OFF time. 1 Record the ambient temperature. 2 Record the A/C clutch OFF time in seconds. 3 The system performance is acceptable when the recorded time falls between the upper and lower limits. NOTE: When the ambient temperature is above 26°C (80°F), the A/C clutch may not cycle.
1999 Ford Truck Explorer 4WD V6-245 4.0L VIN X SFI
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9. Determine the total A/C clutch cycle time. 1 Record the ambient temperature. 2 Record the time the A/C clutch is engaged plus the time it is disengaged (time ON plus time OFF). 3 The system performance is acceptable when the recorded time falls between the upper and lower limits. NOTE: When the ambient temperature is above 26°C (80°F), the A/C clutch may not cycle.
10. Determine the A/C clutch cycle rate per minute. 1 Record the ambient temperature. 2 Record the number of A/C clutch cycles occurring in one minute. 3 The system performance is acceptable when the recorded number of cycles fall between the upper and lower limits. NOTE: When the ambient temperature is above 26°C (80°F), the A/C clutch may not cycle.
11. Determine the center A/C register discharge temperature. 1 Record the ambient temperature. 2 Record the center A/C register discharge temperature. 3 The system performance is acceptable when the center A/C register discharge temperature falls between the upper and lower limits. NOTE: In ambient temperatures between 38°C-43°C (100°F-110°F), the A/C register discharge temperatures will be the same as those for ambient temperatures shown on the chart in the 32°C-38°C (90°F-100°F) range.
1999 Ford Truck Explorer 4WD V6-245 4.0L VIN X SFI
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Function Selector Switch Vacuum Connector
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1999 Ford Truck Explorer 4WD V6-245 4.0L VIN X SFI
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1999 Ford Truck Explorer 4WD V6-245 4.0L VIN X SFI
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Manual Override Button Vacuum Chart
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1999 Ford Truck Explorer 4WD V6-245 4.0L VIN X SFI
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A1 - A3
B: EATC System Inop, Intermittent or Improper Operation
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1999 Ford Truck Explorer 4WD V6-245 4.0L VIN X SFI
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B1 - B2
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B3 - B4
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B5 - B7
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1999 Ford Truck Explorer 4WD V6-245 4.0L VIN X SFI
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B8 - B9
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1999 Ford Truck Explorer 4WD V6-245 4.0L VIN X SFI
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9.90
B10 - B11
C: Improper/Erratic Direction of Airflow From Outlet-Manual A/C
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1999 Ford Truck Explorer 4WD V6-245 4.0L VIN X SFI
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C1
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1999 Ford Truck Explorer 4WD V6-245 4.0L VIN X SFI
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C2 - C3
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1999 Ford Truck Explorer 4WD V6-245 4.0L VIN X SFI
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C4 - C5
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C6
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1999 Ford Truck Explorer 4WD V6-245 4.0L VIN X SFI
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C7 - C8
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C9 - C10
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1999 Ford Truck Explorer 4WD V6-245 4.0L VIN X SFI
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C11 - C12
D: Incorrect/Erratic Direction of Airflow From Outlet-With EATC
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1999 Ford Truck Explorer 4WD V6-245 4.0L VIN X SFI
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D1
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1999 Ford Truck Explorer 4WD V6-245 4.0L VIN X SFI
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D2 - D3
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D4 - D5
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D6
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D7 - D8
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D9 - D10
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D11 - D12
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D13 - D15
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D16 - D18
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D19 - D20
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D21 - D22
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D23 - D24
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D25 - D26
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1999 Ford Truck Explorer 4WD V6-245 4.0L VIN X SFI
E: Insufficient, Erratic or No Heat
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D27
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E1 - E2
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E3 - E4
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E5 - E6
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E7 - E8
F: A/C Does Not Operate/Does Not Operate Correctly-Manual A/C
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1999 Ford Truck Explorer 4WD V6-245 4.0L VIN X SFI
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F1
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F2 - F3
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F4
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F5
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F6
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F7 - F9
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F10 - F11
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F12
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F13 - F14
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F15 - F16
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F17
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F18
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F19 - F20
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F27
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F28 - F30
G: A/C Does Not Operate/Does Not Operate Correctly-EATC
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G1
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G2 - G3
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G4 - G5
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G6
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G7 - G9
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G14 - G15
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G16 - G17
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G18 - G19
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G20 - G21
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G22 - G23
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G24 - G25
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H: A/C Is Always ON-Manual A/C
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G26 - G28
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H1 - H2
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H3
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1999 Ford Truck Explorer 4WD V6-245 4.0L VIN X SFI
Copyright © 2008, ALLDATA
H4 - H5
9.90
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1999 Ford Truck Explorer 4WD V6-245 4.0L VIN X SFI
J: A/C Is Always on-W/EATC
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H6
9.90
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1999 Ford Truck Explorer 4WD V6-245 4.0L VIN X SFI
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J1 - J2
9.90
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1999 Ford Truck Explorer 4WD V6-245 4.0L VIN X SFI
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J3
9.90
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1999 Ford Truck Explorer 4WD V6-245 4.0L VIN X SFI
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J4
9.90
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1999 Ford Truck Explorer 4WD V6-245 4.0L VIN X SFI
K: Insufficient A/C Cooling
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J5 - J6
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1999 Ford Truck Explorer 4WD V6-245 4.0L VIN X SFI
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K1
9.90
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1999 Ford Truck Explorer 4WD V6-245 4.0L VIN X SFI
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K2 - K4
9.90
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1999 Ford Truck Explorer 4WD V6-245 4.0L VIN X SFI
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K5 - K7
9.90
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1999 Ford Truck Explorer 4WD V6-245 4.0L VIN X SFI
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K8 - K10
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1999 Ford Truck Explorer 4WD V6-245 4.0L VIN X SFI
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K11 - K13
9.90
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1999 Ford Truck Explorer 4WD V6-245 4.0L VIN X SFI
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K14 - K15
L: No Operation In All Temperature Settings-Manual A/C
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1999 Ford Truck Explorer 4WD V6-245 4.0L VIN X SFI
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L1
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1999 Ford Truck Explorer 4WD V6-245 4.0L VIN X SFI
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L2 - L3
9.90
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1999 Ford Truck Explorer 4WD V6-245 4.0L VIN X SFI
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L4 - L5
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1999 Ford Truck Explorer 4WD V6-245 4.0L VIN X SFI
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L6
9.90
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1999 Ford Truck Explorer 4WD V6-245 4.0L VIN X SFI
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L7 - L9
9.90
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1999 Ford Truck Explorer 4WD V6-245 4.0L VIN X SFI
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L10 - L12
M: Blower Motor Does Not Operate-Manual A/C
9.90
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1999 Ford Truck Explorer 4WD V6-245 4.0L VIN X SFI
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M1
9.90
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1999 Ford Truck Explorer 4WD V6-245 4.0L VIN X SFI
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M2 - M4
9.90
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1999 Ford Truck Explorer 4WD V6-245 4.0L VIN X SFI
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M5 - M6
9.90
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1999 Ford Truck Explorer 4WD V6-245 4.0L VIN X SFI
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M7 - M8
9.90
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1999 Ford Truck Explorer 4WD V6-245 4.0L VIN X SFI
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M9 - M10
9.90
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1999 Ford Truck Explorer 4WD V6-245 4.0L VIN X SFI
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M11
9.90
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1999 Ford Truck Explorer 4WD V6-245 4.0L VIN X SFI
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M12 - M13
9.90
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1999 Ford Truck Explorer 4WD V6-245 4.0L VIN X SFI
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N: Blower Motor Does Not Operate-W/EATC
M14 - M15
9.90
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1999 Ford Truck Explorer 4WD V6-245 4.0L VIN X SFI
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N1 - N2
9.90
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1999 Ford Truck Explorer 4WD V6-245 4.0L VIN X SFI
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N3 - N4
9.90
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1999 Ford Truck Explorer 4WD V6-245 4.0L VIN X SFI
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N5 - N6
9.90
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1999 Ford Truck Explorer 4WD V6-245 4.0L VIN X SFI
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N7 - N8
9.90
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1999 Ford Truck Explorer 4WD V6-245 4.0L VIN X SFI
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N9 - N11
9.90
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1999 Ford Truck Explorer 4WD V6-245 4.0L VIN X SFI
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N12
9.90
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1999 Ford Truck Explorer 4WD V6-245 4.0L VIN X SFI
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N13 - N14
P: Blower Motor Does Not Operate Correctly-Manual A/C
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1999 Ford Truck Explorer 4WD V6-245 4.0L VIN X SFI
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P1 - P2
9.90
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1999 Ford Truck Explorer 4WD V6-245 4.0L VIN X SFI
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P3 - P4
9.90
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1999 Ford Truck Explorer 4WD V6-245 4.0L VIN X SFI
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P5 - P6
9.90
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1999 Ford Truck Explorer 4WD V6-245 4.0L VIN X SFI
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P7 - P8
9.90
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1999 Ford Truck Explorer 4WD V6-245 4.0L VIN X SFI
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P9
Q: Blower Motor Operates Continuously In High Speed-W/EATC
9.90
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1999 Ford Truck Explorer 4WD V6-245 4.0L VIN X SFI
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Q1
9.90
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1999 Ford Truck Explorer 4WD V6-245 4.0L VIN X SFI
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Q2
9.90
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1999 Ford Truck Explorer 4WD V6-245 4.0L VIN X SFI
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Q3 - Q4
9.90
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1999 Ford Truck Explorer 4WD V6-245 4.0L VIN X SFI
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Q5 - Q6
9.90
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1999 Ford Truck Explorer 4WD V6-245 4.0L VIN X SFI
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Q7 - Q8
R: No Operation In High Blower Setting-Manual A/C
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1999 Ford Truck Explorer 4WD V6-245 4.0L VIN X SFI
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R1
9.90
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1999 Ford Truck Explorer 4WD V6-245 4.0L VIN X SFI
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R2
9.90
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1999 Ford Truck Explorer 4WD V6-245 4.0L VIN X SFI
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R3 - R5
9.90
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1999 Ford Truck Explorer 4WD V6-245 4.0L VIN X SFI
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S1
9.90
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1999 Ford Truck Explorer 4WD V6-245 4.0L VIN X SFI
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S2 - S3
9.90
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1999 Ford Truck Explorer 4WD V6-245 4.0L VIN X SFI
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T1 - T2
U:Temp Display Won't Switch Between Celsius and Fahrenheit
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1999 Ford Truck Explorer 4WD V6-245 4.0L VIN X SFI
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U1
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1999 Ford Truck Explorer 4WD V6-245 4.0L VIN X SFI
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U2
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1999 Ford Truck Explorer 4WD V6-245 4.0L VIN X SFI
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U3
V: One or More Steering Wheel Control Switches Is Inop
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1999 Ford Truck Explorer 4WD V6-245 4.0L VIN X SFI
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V1
9.90
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1999 Ford Truck Explorer 4WD V6-245 4.0L VIN X SFI
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V2 - V3
9.90
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1999 Ford Truck Explorer 4WD V6-245 4.0L VIN X SFI
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V4 - V5
9.90
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1999 Ford Truck Explorer 4WD V6-245 4.0L VIN X SFI
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V6 - V7
9.90
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1999 Ford Truck Explorer 4WD V6-245 4.0L VIN X SFI
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V8 - V9
9.90
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1999 Ford Truck Explorer 4WD V6-245 4.0L VIN X SFI
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W: Console Blower Motor Does Not Operate
V10 - V11
9.90
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1999 Ford Truck Explorer 4WD V6-245 4.0L VIN X SFI
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W1
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1999 Ford Truck Explorer 4WD V6-245 4.0L VIN X SFI
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W2 - W3
9.90
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1999 Ford Truck Explorer 4WD V6-245 4.0L VIN X SFI
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W4
9.90
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1999 Ford Truck Explorer 4WD V6-245 4.0L VIN X SFI
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W5 - W6
9.90
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1999 Ford Truck Explorer 4WD V6-245 4.0L VIN X SFI
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W7 - W8
9.90
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1999 Ford Truck Explorer 4WD V6-245 4.0L VIN X SFI
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W9 - W10
9.90
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1999 Ford Truck Explorer 4WD V6-245 4.0L VIN X SFI
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W11 - W12
9.90
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1999 Ford Truck Explorer 4WD V6-245 4.0L VIN X SFI
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W13 - W14
9.90
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1999 Ford Truck Explorer 4WD V6-245 4.0L VIN X SFI
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W15 - W16
X: Panel/Floor Switch Inop, Console Blower Does Operate
9.90
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1999 Ford Truck Explorer 4WD V6-245 4.0L VIN X SFI
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X1
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1999 Ford Truck Explorer 4WD V6-245 4.0L VIN X SFI
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X2 - X3
9.90
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1999 Ford Truck Explorer 4WD V6-245 4.0L VIN X SFI
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X4 - X5
9.90
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1999 Ford Truck Explorer 4WD V6-245 4.0L VIN X SFI
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X6 - X7
9.90
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1999 Ford Truck Explorer 4WD V6-245 4.0L VIN X SFI
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X8 - X9
9.90
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1999 Ford Truck Explorer 4WD V6-245 4.0L VIN X SFI
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X10
9.90
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1999 Ford Truck Explorer 4WD V6-245 4.0L VIN X SFI
Diagnosis By Symptom
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X11 - X12
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1999 Ford Truck Explorer 4WD V6-245 4.0L VIN X SFI
Copyright © 2008, ALLDATA
Part 1 Of 3
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1999 Ford Truck Explorer 4WD V6-245 4.0L VIN X SFI
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Part 2 Of 3
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1999 Ford Truck Explorer 4WD V6-245 4.0L VIN X SFI
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Part 3 Of 3
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9.90
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Heating and Air Conditioning: Testing and Inspection Flow of Diagnosis 1. Verify the customer's concern by operating the climate control system to duplicate the condition. 2. Inspect to determine if one of the mechanical or electrical concerns apply:
VISUAL INSPECTION CHART Mechanical ^ Loose, missing or damaged A/C compressor drive belt. ^ Loose or disconnected A/C clutch. ^ Loose, misrouted or damaged vacuum lines.(*) ^ Broken or leaking vacuum control motor.(*) ^ Broken or leaking refrigerant lines. ^ Obstructed in-car temperature sensor. Electrical ^ Open fuses. ^ Blower motor inoperative. ^ A/C compressor inoperative. ^ Circuitry open/shorted. ^ Disconnected electrical connectors. *
A leak in the vacuum control circuit may occur during acceleration (slow leak), may exist at all times (large leak), and may exist only when specific functions are selected (indicating a leak in that portion of the circuit). The vacuum hoses used in the passenger compartment control circuit are constructed from PVC plastic material. The vacuum hoses used in the engine compartment are constructed of Hytrel (R). Because of the materials used, never pinch the vacuum hoses off during diagnosis to locate a leak. A wood golf tee can be used as a plug when it is necessary to plug one end of the vacuum hose for leak test purposes.
3. If the inspection reveals obvious concern(s) that can be readily identified, repair as required. 4. If the concern remains after the inspection, connect the New Generation Star (NGS) Tester to the Data Link Connector (DLC) located beneath the instrument panel and select the vehicle to be tested from the NGS menu. If the vehicle selection cannot be entered: ^ check that the program card is correctly installed. ^ check the connections to the vehicle. ^ check the ignition switch position. If the NGS still does not allow with the vehicle selection to be entered, refer to the New Generation Star Tester manual. 5. Perform the DATA LINK DIAGNOSTIC TEST using the NGS. If the NGS responds with: ^ CKT914 and CKT915 = ALL MODULE NO RESPONSE/NOT EQUIPPED, go to Multiplex Communication Network to diagnose network concern. ^ If the Powertrain Control Module (PCM) is not listed for a communication concern, turn the A/C controls to OFF and execute self-test diagnostics for the PCM. ^ If equipped with EATC, and the EATC module is not listed for a communication concern, execute self-test diagnostics for the EATC module. See: Testing and Inspection Procedures/Displaying & Reading Trouble Codes 6. If any PCM or EATC DTCs are retrieved, and are related to the concern, go to the Powertrain Control Module Diagnostic Trouble Code (DTC) Index or the Electronic Automatic Temperature Control (EATC) Module Diagnostic Trouble Code (DTC) Index to continue diagnostics. See: Testing and Inspection Procedures/Trouble Code Descriptions/Trouble Code Index or See: Testing and Inspection Procedures/Trouble Code Descriptions/EATC Module Diagnostic Trouble Code Index 7. If no DTCs related to the concern are retrieved, go to the Symptom Chart to continue diagnostics. See: Testing and Inspection Procedures/Diagnosis By Symptom 8. If the electronic automatic temperature control module cannot be accessed by the NGS, GO to Pinpoint Test A. See: Testing and Inspection Procedures/Pinpoint Tests General System Diagnosis/A: No Communication With the EATC Module
1999 Ford Truck Explorer 4WD V6-245 4.0L VIN X SFI
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Visual Inspection 1. Verify the customer's concern by operating the climate control system to duplicate the condition. 2. Inspect to determine if one of the mechanical or electrical concerns apply:
VISUAL INSPECTION CHART Mechanical ^ Loose, missing or damaged A/C compressor drive belt. ^ Loose or disconnected A/C clutch. ^ Loose, misrouted or damaged vacuum lines.(a) ^ Broken or leaking vacuum control motor.(a) ^ Broken or leaking refrigerant lines. ^ Obstructed in-car temperature sensor. a
A leak in the vacuum control circuit may occur during acceleration (slow leak), may exist at all times (large leak), and may exist only when specific functions are selected (indicating a leak in that portion of the circuit). The vacuum hoses used in the passenger compartment control circuit are constructed from PVC plastic material. The vacuum hoses used in the engine compartment are constructed of Hytrel (R). Because of the materials used, never pinch the vacuum hoses off during diagnosis to locate a leak. A wood golf tee can be used as a
1999 Ford Truck Explorer 4WD V6-245 4.0L VIN X SFI
Copyright © 2008, ALLDATA
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plug when it is necessary to plug one end of the vacuum hose for leak test purposes. Electrical ^ Open fuses. ^ Blower motor inoperative. ^ A/C compressor inoperative. ^ Circuitry open/shorted. ^ Disconnected electrical connectors. 3. If the inspection reveals obvious concern(s) that can be readily identified, repair as required. 4. If the concern remains after the inspection, connect the New Generation Star (NGS) Tester to the Data Link Connector (DLC) located beneath the instrument panel and select the vehicle to be tested from the NGS menu. If the vehicle selection cannot be entered: ^ check that the program card is correctly installed. ^ check the connections to the vehicle. ^ check the ignition switch position. If the NGS still does not allow with the vehicle selection to be entered, refer to the New Generation Star Tester manual. 5. Perform the DATA LINK DIAGNOSTIC TEST using the NGS. If the NGS responds with: ^ CKT914 and CKT915 = ALL MODULE NO RESPONSE/NOT EQUIPPED, go to Multiplex Communication Network to diagnose network concern. ^ If the Powertrain Control Module (PCM) is not listed for a communication concern, turn the A/C controls to OFF and execute self-test diagnostics for the PCM. ^ If equipped with EATC, and the EATC module is not listed for a communication concern, execute self-test diagnostics for the EATC module. See: Testing and Inspection Procedures/Displaying & Reading Trouble Codes 6. If any PCM or EATC DTCs are retrieved, and are related to the concern, go to the Powertrain Control Module Diagnostic Trouble Code (DTC) Index or the Electronic Automatic Temperature Control (EATC) Module Diagnostic Trouble Code (DTC) Index to continue diagnostics. See: Testing and Inspection Procedures/Trouble Code Descriptions/Trouble Code Index or See: Testing and Inspection Procedures/Trouble Code Descriptions/EATC Module Diagnostic Trouble Code Index 7. If no DTCs related to the concern are retrieved, go to the Symptom Chart to continue diagnostics. See: Testing and Inspection Procedures/Diagnosis By Symptom 8. If the electronic automatic temperature control module cannot be accessed by the NGS, GO to Pinpoint Test A. See: Testing and Inspection Procedures/Pinpoint Tests General System Diagnosis/A: No Communication With the EATC Module
Displaying & Reading Trouble Codes NOTE: Ford DOES NOT provide a procedure to retrieve or clear trouble codes without the New Generation Star (NGS) tester. ELECTRONIC AUTOMATIC TEMPERATURE CONTROL MODULE SELF-TEST ^ ^
^ ^ ^ ^ ^ ^ ^ ^
The Electronic Automatic Temperature Control (EATC) module self-test will not detect concerns associated with data link messages like engine coolant temperature or vehicle speed signals. A New Generation Star (NGS) tester must be used to retrieve these concerns. The EATC module self-test will detect concerns in the system control functions and will display hard Diagnostic Trouble Codes (DTC) in addition to intermittent diagnostic trouble codes for concerns that occur during system operation. The vehicle interior temperature should be between 4°-32°C (40°-90°F) when performing the self-test. If the temperatures are not within the specified ranges, false in-car temperature sensor DTCs will be displayed. The self-test can be initiated at any time. Normal operation of the system stops when the self-test is activated. To enter the self-test, press the OFF and FLOOR buttons simultaneously and then press the AUTOMATIC button within two seconds. The display will show a pulse tracer going around the center of the display window. The test may run as long as 30 seconds. Record all DTCs displayed. If any DTCs appear during the self-test, follow the diagnostics procedure given under ACTION for each DTC given. If a condition exists but no DTCs appear during the self-test, refer to the Symptom Chart Condition: The EATC System Is Inoperative, Intermittent or Improper Operation. See: Testing and Inspection Procedures/Diagnosis By Symptom To exit self-test and retain all intermittent DTCs, push the blue (cooler) button. The control will exit self-test, retain all intermittent diagnostic trouble codes and then turn OFF (display blank). To exit self-test and clear all diagnostic trouble codes, press the DEFROST button. The vacuum fluorescent display window will show 888 and all function symbols for one second. Then, the EATC control assembly will turn OFF (display blank) and all DTCs will be cleared. Always exit the self-test before powering the system down (system turned OFF). Intermittent DTCs will be deleted after 80 ignition switch ON cycles after the intermittent condition occurs.
Clearing Trouble Codes NOTE: Ford DOES NOT provide a procedure to retrieve or clear trouble codes without the New Generation Star (NGS) tester. ELECTRONIC AUTOMATIC TEMPERATURE CONTROL MODULE SELF-TEST
1999 Ford Truck Explorer 4WD V6-245 4.0L VIN X SFI ^ ^
^ ^ ^ ^ ^ ^ ^ ^
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The Electronic Automatic Temperature Control (EATC) module self-test will not detect concerns associated with data link messages like engine coolant temperature or vehicle speed signals. A New Generation Star (NGS) tester must be used to retrieve these concerns. The EATC module self-test will detect concerns in the system control functions and will display hard Diagnostic Trouble Codes (DTC) in addition to intermittent diagnostic trouble codes for concerns that occur during system operation. The vehicle interior temperature should be between 4°-32°C (40°-90°F) when performing the self-test. If the temperatures are not within the specified ranges, false in-car temperature sensor DTCs will be displayed. The self-test can be initiated at any time. Normal operation of the system stops when the self-test is activated. To enter the self-test, press the OFF and FLOOR buttons simultaneously and then press the AUTOMATIC button within two seconds. The display will show a pulse tracer going around the center of the display window. The test may run as long as 30 seconds. Record all DTCs displayed. If any DTCs appear during the self-test, follow the diagnostics procedure given under ACTION for each DTC given. If a condition exists but no DTCs appear during the self-test, refer to the Symptom Chart Condition: The EATC System Is Inoperative, Intermittent or Improper Operation. See: Testing and Inspection Procedures/Diagnosis By Symptom To exit self-test and retain all intermittent DTCs, push the blue (cooler) button. The control will exit self-test, retain all intermittent diagnostic trouble codes and then turn OFF (display blank). To exit self-test and clear all diagnostic trouble codes, press the DEFROST button. The vacuum fluorescent display window will show 888 and all function symbols for one second. Then, the EATC control assembly will turn OFF (display blank) and all DTCs will be cleared. Always exit the self-test before powering the system down (system turned OFF). Intermittent DTCs will be deleted after 80 ignition switch ON cycles after the intermittent condition occurs.
P Code Charts
1999 Ford Truck Explorer 4WD V6-245 4.0L VIN X SFI
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P1464-1 - P1464-3
9.90
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1999 Ford Truck Explorer 4WD V6-245 4.0L VIN X SFI
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P1464-4 - P1464-5
9.90
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1999 Ford Truck Explorer 4WD V6-245 4.0L VIN X SFI
B1249 Blend Door Failure
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P1464-6 - P1464-7
9.90
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1999 Ford Truck Explorer 4WD V6-245 4.0L VIN X SFI
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B1249-1
9.90
Page 8
1999 Ford Truck Explorer 4WD V6-245 4.0L VIN X SFI
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B1249-2 - B1249-3
9.90
Page 9
1999 Ford Truck Explorer 4WD V6-245 4.0L VIN X SFI
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B1249-4 - B1249-6
9.90
Page 10
1999 Ford Truck Explorer 4WD V6-245 4.0L VIN X SFI
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B1249-7
9.90
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1999 Ford Truck Explorer 4WD V6-245 4.0L VIN X SFI
Copyright © 2008, ALLDATA
B1249-8
9.90
Page 12
1999 Ford Truck Explorer 4WD V6-245 4.0L VIN X SFI
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B1249-9 - B1249-10
9.90
Page 13
1999 Ford Truck Explorer 4WD V6-245 4.0L VIN X SFI
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B1249-11 - B1249-12
9.90
Page 14
1999 Ford Truck Explorer 4WD V6-245 4.0L VIN X SFI
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B1249-13 - B1249-14
9.90
Page 15
1999 Ford Truck Explorer 4WD V6-245 4.0L VIN X SFI
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B1249-15 - B1249-16
9.90
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1999 Ford Truck Explorer 4WD V6-245 4.0L VIN X SFI
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B1249-17 - B1249-19
B1251 A/C In-Car Temp Sensor Open Circuit
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1999 Ford Truck Explorer 4WD V6-245 4.0L VIN X SFI
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B1251-1 - B1251-2
9.90
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1999 Ford Truck Explorer 4WD V6-245 4.0L VIN X SFI
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B1251-3
9.90
Page 19
1999 Ford Truck Explorer 4WD V6-245 4.0L VIN X SFI
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B1251-4 - B1251-5
9.90
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1999 Ford Truck Explorer 4WD V6-245 4.0L VIN X SFI
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B1253-1 - B1253-2
9.90
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1999 Ford Truck Explorer 4WD V6-245 4.0L VIN X SFI
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B1253-3 - B1253-4
9.90
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1999 Ford Truck Explorer 4WD V6-245 4.0L VIN X SFI
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B1255-1 - B1255-2
9.90
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1999 Ford Truck Explorer 4WD V6-245 4.0L VIN X SFI
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B1255-3 - B1255-5
9.90
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1999 Ford Truck Explorer 4WD V6-245 4.0L VIN X SFI
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B1257-1 - B1257-2
9.90
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1999 Ford Truck Explorer 4WD V6-245 4.0L VIN X SFI
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B1257-3 - B1257-4
B1261 A/C Solar Radiation Sensor CKT Short to GND
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1999 Ford Truck Explorer 4WD V6-245 4.0L VIN X SFI
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B1261-1 - B1261-2
9.90
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1999 Ford Truck Explorer 4WD V6-245 4.0L VIN X SFI
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B1261-3
9.90
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1999 Ford Truck Explorer 4WD V6-245 4.0L VIN X SFI
Non-Trouble Code Procedures
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B1261-4 - B1261-6
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1999 Ford Truck Explorer 4WD V6-245 4.0L VIN X SFI
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R-134a Manifold Gauge Set
SPECIAL TOOL 1. Connect the R-134a Manifold Gauge Set. 2. Adjust the climate control for maximum cooling. ^ Start the engine. ^ Select MAX A/C operation. ^ Set the blower motor speed to maximum.
3. Stabilize the in-vehicle temperature at 21°C-27°C (70°F-80°F).
4. Maintain the engine speed at 1,500 rpm. NOTE: When the ambient temperatures exceed 38°C (100°F), do not run the engine above normal idle speed.
5. Determine the compressor discharge (high) pressure. 1 Record the ambient temperature. 2 Record the discharge (high) pressure. 3 The system performance is acceptable when the pressure reading falls between the upper and lower limits. NOTE: In ambient temperatures between 38°C-43°C (100°F-110°F), the system performance pressures will be the same as those for
1999 Ford Truck Explorer 4WD V6-245 4.0L VIN X SFI
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ambient temperatures shown on the chart in the 32°C-38°C (90°F-100°F) range.
6. Determine the compressor suction (low) pressure. 1 Record the ambient temperature. 2 Record the suction (low) pressure. 3 The system performance is acceptable when the pressure reading falls between the upper and lower limits. NOTE: In ambient temperatures between 38°C-43°C (100°F-110°F), the system performance pressures will be the same as those for ambient temperatures shown on the chart in the 32°C-38°C (90°F-100°F) range.
7. Determine the A/C clutch ON time. 1 Record the ambient temperature. 2 Record the A/C clutch ON time in seconds. 3 The system performance is acceptable when the recorded time falls between the upper and lower limits. NOTE: When the ambient temperature is above 26°C (80°F), the A/C clutch may not cycle.
8. Determine the A/C clutch OFF time. 1 Record the ambient temperature. 2 Record the A/C clutch OFF time in seconds. 3 The system performance is acceptable when the recorded time falls between the upper and lower limits. NOTE: When the ambient temperature is above 26°C (80°F), the A/C clutch may not cycle.
1999 Ford Truck Explorer 4WD V6-245 4.0L VIN X SFI
Copyright © 2008, ALLDATA
9.90
Page 32
9. Determine the total A/C clutch cycle time. 1 Record the ambient temperature. 2 Record the time the A/C clutch is engaged plus the time it is disengaged (time ON plus time OFF). 3 The system performance is acceptable when the recorded time falls between the upper and lower limits. NOTE: When the ambient temperature is above 26°C (80°F), the A/C clutch may not cycle.
10. Determine the A/C clutch cycle rate per minute. 1 Record the ambient temperature. 2 Record the number of A/C clutch cycles occurring in one minute. 3 The system performance is acceptable when the recorded number of cycles fall between the upper and lower limits. NOTE: When the ambient temperature is above 26°C (80°F), the A/C clutch may not cycle.
11. Determine the center A/C register discharge temperature. 1 Record the ambient temperature. 2 Record the center A/C register discharge temperature. 3 The system performance is acceptable when the center A/C register discharge temperature falls between the upper and lower limits. NOTE: In ambient temperatures between 38°C-43°C (100°F-110°F), the A/C register discharge temperatures will be the same as those for ambient temperatures shown on the chart in the 32°C-38°C (90°F-100°F) range.
1999 Ford Truck Explorer 4WD V6-245 4.0L VIN X SFI
Copyright © 2008, ALLDATA
Function Selector Switch Vacuum Connector
9.90
Page 33
1999 Ford Truck Explorer 4WD V6-245 4.0L VIN X SFI
Copyright © 2008, ALLDATA
9.90
Page 34
1999 Ford Truck Explorer 4WD V6-245 4.0L VIN X SFI
Copyright © 2008, ALLDATA
Manual Override Button Vacuum Chart
9.90
Page 35
1999 Ford Truck Explorer 4WD V6-245 4.0L VIN X SFI
Copyright © 2008, ALLDATA
9.90
Page 36
1999 Ford Truck Explorer 4WD V6-245 4.0L VIN X SFI
Copyright © 2008, ALLDATA
A1 - A3
B: EATC System Inop, Intermittent or Improper Operation
9.90
Page 37
1999 Ford Truck Explorer 4WD V6-245 4.0L VIN X SFI
Copyright © 2008, ALLDATA
B1 - B2
9.90
Page 38
1999 Ford Truck Explorer 4WD V6-245 4.0L VIN X SFI
Copyright © 2008, ALLDATA
B3 - B4
9.90
Page 39
1999 Ford Truck Explorer 4WD V6-245 4.0L VIN X SFI
Copyright © 2008, ALLDATA
B5 - B7
9.90
Page 40
1999 Ford Truck Explorer 4WD V6-245 4.0L VIN X SFI
Copyright © 2008, ALLDATA
B8 - B9
9.90
Page 41
1999 Ford Truck Explorer 4WD V6-245 4.0L VIN X SFI
Copyright © 2008, ALLDATA
9.90
B10 - B11
C: Improper/Erratic Direction of Airflow From Outlet-Manual A/C
Page 42
1999 Ford Truck Explorer 4WD V6-245 4.0L VIN X SFI
Copyright © 2008, ALLDATA
C1
9.90
Page 43
1999 Ford Truck Explorer 4WD V6-245 4.0L VIN X SFI
Copyright © 2008, ALLDATA
C2 - C3
9.90
Page 44
1999 Ford Truck Explorer 4WD V6-245 4.0L VIN X SFI
Copyright © 2008, ALLDATA
C4 - C5
9.90
Page 45
1999 Ford Truck Explorer 4WD V6-245 4.0L VIN X SFI
Copyright © 2008, ALLDATA
C6
9.90
Page 46
1999 Ford Truck Explorer 4WD V6-245 4.0L VIN X SFI
Copyright © 2008, ALLDATA
C7 - C8
9.90
Page 47
1999 Ford Truck Explorer 4WD V6-245 4.0L VIN X SFI
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C9 - C10
9.90
Page 48
1999 Ford Truck Explorer 4WD V6-245 4.0L VIN X SFI
Copyright © 2008, ALLDATA
C11 - C12
D: Incorrect/Erratic Direction of Airflow From Outlet-With EATC
9.90
Page 49
1999 Ford Truck Explorer 4WD V6-245 4.0L VIN X SFI
Copyright © 2008, ALLDATA
D1
9.90
Page 50
1999 Ford Truck Explorer 4WD V6-245 4.0L VIN X SFI
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D2 - D3
9.90
Page 51
1999 Ford Truck Explorer 4WD V6-245 4.0L VIN X SFI
Copyright © 2008, ALLDATA
D4 - D5
9.90
Page 52
1999 Ford Truck Explorer 4WD V6-245 4.0L VIN X SFI
Copyright © 2008, ALLDATA
D6
9.90
Page 53
1999 Ford Truck Explorer 4WD V6-245 4.0L VIN X SFI
Copyright © 2008, ALLDATA
D7 - D8
9.90
Page 54
1999 Ford Truck Explorer 4WD V6-245 4.0L VIN X SFI
Copyright © 2008, ALLDATA
D9 - D10
9.90
Page 55
1999 Ford Truck Explorer 4WD V6-245 4.0L VIN X SFI
Copyright © 2008, ALLDATA
D11 - D12
9.90
Page 56
1999 Ford Truck Explorer 4WD V6-245 4.0L VIN X SFI
Copyright © 2008, ALLDATA
D13 - D15
9.90
Page 57
1999 Ford Truck Explorer 4WD V6-245 4.0L VIN X SFI
Copyright © 2008, ALLDATA
D16 - D18
9.90
Page 58
1999 Ford Truck Explorer 4WD V6-245 4.0L VIN X SFI
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D19 - D20
9.90
Page 59
1999 Ford Truck Explorer 4WD V6-245 4.0L VIN X SFI
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D21 - D22
9.90
Page 60
1999 Ford Truck Explorer 4WD V6-245 4.0L VIN X SFI
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D23 - D24
9.90
Page 61
1999 Ford Truck Explorer 4WD V6-245 4.0L VIN X SFI
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D25 - D26
9.90
Page 62
1999 Ford Truck Explorer 4WD V6-245 4.0L VIN X SFI
E: Insufficient, Erratic or No Heat
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D27
9.90
Page 63
1999 Ford Truck Explorer 4WD V6-245 4.0L VIN X SFI
Copyright © 2008, ALLDATA
E1 - E2
9.90
Page 64
1999 Ford Truck Explorer 4WD V6-245 4.0L VIN X SFI
Copyright © 2008, ALLDATA
E3 - E4
9.90
Page 65
1999 Ford Truck Explorer 4WD V6-245 4.0L VIN X SFI
Copyright © 2008, ALLDATA
E5 - E6
9.90
Page 66
1999 Ford Truck Explorer 4WD V6-245 4.0L VIN X SFI
Copyright © 2008, ALLDATA
E7 - E8
F: A/C Does Not Operate/Does Not Operate Correctly-Manual A/C
9.90
Page 67
1999 Ford Truck Explorer 4WD V6-245 4.0L VIN X SFI
Copyright © 2008, ALLDATA
F1
9.90
Page 68
1999 Ford Truck Explorer 4WD V6-245 4.0L VIN X SFI
Copyright © 2008, ALLDATA
F2 - F3
9.90
Page 69
1999 Ford Truck Explorer 4WD V6-245 4.0L VIN X SFI
Copyright © 2008, ALLDATA
F4
9.90
Page 70
1999 Ford Truck Explorer 4WD V6-245 4.0L VIN X SFI
Copyright © 2008, ALLDATA
F5
9.90
Page 71
1999 Ford Truck Explorer 4WD V6-245 4.0L VIN X SFI
Copyright © 2008, ALLDATA
F6
9.90
Page 72
1999 Ford Truck Explorer 4WD V6-245 4.0L VIN X SFI
Copyright © 2008, ALLDATA
F7 - F9
9.90
Page 73
1999 Ford Truck Explorer 4WD V6-245 4.0L VIN X SFI
Copyright © 2008, ALLDATA
F10 - F11
9.90
Page 74
1999 Ford Truck Explorer 4WD V6-245 4.0L VIN X SFI
Copyright © 2008, ALLDATA
F12
9.90
Page 75
1999 Ford Truck Explorer 4WD V6-245 4.0L VIN X SFI
Copyright © 2008, ALLDATA
F13 - F14
9.90
Page 76
1999 Ford Truck Explorer 4WD V6-245 4.0L VIN X SFI
Copyright © 2008, ALLDATA
F15 - F16
9.90
Page 77
1999 Ford Truck Explorer 4WD V6-245 4.0L VIN X SFI
Copyright © 2008, ALLDATA
F17
9.90
Page 78
1999 Ford Truck Explorer 4WD V6-245 4.0L VIN X SFI
Copyright © 2008, ALLDATA
F18
9.90
Page 79
1999 Ford Truck Explorer 4WD V6-245 4.0L VIN X SFI
Copyright © 2008, ALLDATA
F19 - F20
9.90
Page 80
1999 Ford Truck Explorer 4WD V6-245 4.0L VIN X SFI
Copyright © 2008, ALLDATA
F21 - F22
9.90
Page 81
1999 Ford Truck Explorer 4WD V6-245 4.0L VIN X SFI
Copyright © 2008, ALLDATA
F23 - F24
9.90
Page 82
1999 Ford Truck Explorer 4WD V6-245 4.0L VIN X SFI
Copyright © 2008, ALLDATA
F25 - F26
9.90
Page 83
1999 Ford Truck Explorer 4WD V6-245 4.0L VIN X SFI
Copyright © 2008, ALLDATA
F27
9.90
Page 84
1999 Ford Truck Explorer 4WD V6-245 4.0L VIN X SFI
Copyright © 2008, ALLDATA
F28 - F30
G: A/C Does Not Operate/Does Not Operate Correctly-EATC
9.90
Page 85
1999 Ford Truck Explorer 4WD V6-245 4.0L VIN X SFI
Copyright © 2008, ALLDATA
G1
9.90
Page 86
1999 Ford Truck Explorer 4WD V6-245 4.0L VIN X SFI
Copyright © 2008, ALLDATA
G2 - G3
9.90
Page 87
1999 Ford Truck Explorer 4WD V6-245 4.0L VIN X SFI
Copyright © 2008, ALLDATA
G4 - G5
9.90
Page 88
1999 Ford Truck Explorer 4WD V6-245 4.0L VIN X SFI
Copyright © 2008, ALLDATA
G6
9.90
Page 89
1999 Ford Truck Explorer 4WD V6-245 4.0L VIN X SFI
Copyright © 2008, ALLDATA
G7 - G9
9.90
Page 90
1999 Ford Truck Explorer 4WD V6-245 4.0L VIN X SFI
Copyright © 2008, ALLDATA
G10 - G11
9.90
Page 91
1999 Ford Truck Explorer 4WD V6-245 4.0L VIN X SFI
Copyright © 2008, ALLDATA
G12 - G13
9.90
Page 92
1999 Ford Truck Explorer 4WD V6-245 4.0L VIN X SFI
Copyright © 2008, ALLDATA
G14 - G15
9.90
Page 93
1999 Ford Truck Explorer 4WD V6-245 4.0L VIN X SFI
Copyright © 2008, ALLDATA
G16 - G17
9.90
Page 94
1999 Ford Truck Explorer 4WD V6-245 4.0L VIN X SFI
Copyright © 2008, ALLDATA
G18 - G19
9.90
Page 95
1999 Ford Truck Explorer 4WD V6-245 4.0L VIN X SFI
Copyright © 2008, ALLDATA
G20 - G21
9.90
Page 96
1999 Ford Truck Explorer 4WD V6-245 4.0L VIN X SFI
Copyright © 2008, ALLDATA
G22 - G23
9.90
Page 97
1999 Ford Truck Explorer 4WD V6-245 4.0L VIN X SFI
Copyright © 2008, ALLDATA
G24 - G25
9.90
Page 98
1999 Ford Truck Explorer 4WD V6-245 4.0L VIN X SFI
H: A/C Is Always ON-Manual A/C
Copyright © 2008, ALLDATA
G26 - G28
9.90
Page 99
1999 Ford Truck Explorer 4WD V6-245 4.0L VIN X SFI
Copyright © 2008, ALLDATA
H1 - H2
9.90
Page 100
1999 Ford Truck Explorer 4WD V6-245 4.0L VIN X SFI
Copyright © 2008, ALLDATA
H3
9.90
Page 101
1999 Ford Truck Explorer 4WD V6-245 4.0L VIN X SFI
Copyright © 2008, ALLDATA
H4 - H5
9.90
Page 102
1999 Ford Truck Explorer 4WD V6-245 4.0L VIN X SFI
J: A/C Is Always on-W/EATC
Copyright © 2008, ALLDATA
H6
9.90
Page 103
1999 Ford Truck Explorer 4WD V6-245 4.0L VIN X SFI
Copyright © 2008, ALLDATA
J1 - J2
9.90
Page 104
1999 Ford Truck Explorer 4WD V6-245 4.0L VIN X SFI
Copyright © 2008, ALLDATA
J3
9.90
Page 105
1999 Ford Truck Explorer 4WD V6-245 4.0L VIN X SFI
Copyright © 2008, ALLDATA
J4
9.90
Page 106
1999 Ford Truck Explorer 4WD V6-245 4.0L VIN X SFI
K: Insufficient A/C Cooling
Copyright © 2008, ALLDATA
J5 - J6
9.90
Page 107
1999 Ford Truck Explorer 4WD V6-245 4.0L VIN X SFI
Copyright © 2008, ALLDATA
K1
9.90
Page 108
1999 Ford Truck Explorer 4WD V6-245 4.0L VIN X SFI
Copyright © 2008, ALLDATA
K2 - K4
9.90
Page 109
1999 Ford Truck Explorer 4WD V6-245 4.0L VIN X SFI
Copyright © 2008, ALLDATA
K5 - K7
9.90
Page 110
1999 Ford Truck Explorer 4WD V6-245 4.0L VIN X SFI
Copyright © 2008, ALLDATA
K8 - K10
9.90
Page 111
1999 Ford Truck Explorer 4WD V6-245 4.0L VIN X SFI
Copyright © 2008, ALLDATA
K11 - K13
9.90
Page 112
1999 Ford Truck Explorer 4WD V6-245 4.0L VIN X SFI
Copyright © 2008, ALLDATA
K14 - K15
L: No Operation In All Temperature Settings-Manual A/C
9.90
Page 113
1999 Ford Truck Explorer 4WD V6-245 4.0L VIN X SFI
Copyright © 2008, ALLDATA
L1
9.90
Page 114
1999 Ford Truck Explorer 4WD V6-245 4.0L VIN X SFI
Copyright © 2008, ALLDATA
L2 - L3
9.90
Page 115
1999 Ford Truck Explorer 4WD V6-245 4.0L VIN X SFI
Copyright © 2008, ALLDATA
L4 - L5
9.90
Page 116
1999 Ford Truck Explorer 4WD V6-245 4.0L VIN X SFI
Copyright © 2008, ALLDATA
L6
9.90
Page 117
1999 Ford Truck Explorer 4WD V6-245 4.0L VIN X SFI
Copyright © 2008, ALLDATA
L7 - L9
9.90
Page 118
1999 Ford Truck Explorer 4WD V6-245 4.0L VIN X SFI
Copyright © 2008, ALLDATA
L10 - L12
M: Blower Motor Does Not Operate-Manual A/C
9.90
Page 119
1999 Ford Truck Explorer 4WD V6-245 4.0L VIN X SFI
Copyright © 2008, ALLDATA
M1
9.90
Page 120
1999 Ford Truck Explorer 4WD V6-245 4.0L VIN X SFI
Copyright © 2008, ALLDATA
M2 - M4
9.90
Page 121
1999 Ford Truck Explorer 4WD V6-245 4.0L VIN X SFI
Copyright © 2008, ALLDATA
M5 - M6
9.90
Page 122
1999 Ford Truck Explorer 4WD V6-245 4.0L VIN X SFI
Copyright © 2008, ALLDATA
M7 - M8
9.90
Page 123
1999 Ford Truck Explorer 4WD V6-245 4.0L VIN X SFI
Copyright © 2008, ALLDATA
M9 - M10
9.90
Page 124
1999 Ford Truck Explorer 4WD V6-245 4.0L VIN X SFI
Copyright © 2008, ALLDATA
M11
9.90
Page 125
1999 Ford Truck Explorer 4WD V6-245 4.0L VIN X SFI
Copyright © 2008, ALLDATA
M12 - M13
9.90
Page 126
1999 Ford Truck Explorer 4WD V6-245 4.0L VIN X SFI
Copyright © 2008, ALLDATA
N: Blower Motor Does Not Operate-W/EATC
M14 - M15
9.90
Page 127
1999 Ford Truck Explorer 4WD V6-245 4.0L VIN X SFI
Copyright © 2008, ALLDATA
N1 - N2
9.90
Page 128
1999 Ford Truck Explorer 4WD V6-245 4.0L VIN X SFI
Copyright © 2008, ALLDATA
N3 - N4
9.90
Page 129
1999 Ford Truck Explorer 4WD V6-245 4.0L VIN X SFI
Copyright © 2008, ALLDATA
N5 - N6
9.90
Page 130
1999 Ford Truck Explorer 4WD V6-245 4.0L VIN X SFI
Copyright © 2008, ALLDATA
N7 - N8
9.90
Page 131
1999 Ford Truck Explorer 4WD V6-245 4.0L VIN X SFI
Copyright © 2008, ALLDATA
N9 - N11
9.90
Page 132
1999 Ford Truck Explorer 4WD V6-245 4.0L VIN X SFI
Copyright © 2008, ALLDATA
N12
9.90
Page 133
1999 Ford Truck Explorer 4WD V6-245 4.0L VIN X SFI
Copyright © 2008, ALLDATA
N13 - N14
P: Blower Motor Does Not Operate Correctly-Manual A/C
9.90
Page 134
1999 Ford Truck Explorer 4WD V6-245 4.0L VIN X SFI
Copyright © 2008, ALLDATA
P1 - P2
9.90
Page 135
1999 Ford Truck Explorer 4WD V6-245 4.0L VIN X SFI
Copyright © 2008, ALLDATA
P3 - P4
9.90
Page 136
1999 Ford Truck Explorer 4WD V6-245 4.0L VIN X SFI
Copyright © 2008, ALLDATA
P5 - P6
9.90
Page 137
1999 Ford Truck Explorer 4WD V6-245 4.0L VIN X SFI
Copyright © 2008, ALLDATA
P7 - P8
9.90
Page 138
1999 Ford Truck Explorer 4WD V6-245 4.0L VIN X SFI
Copyright © 2008, ALLDATA
P9
Q: Blower Motor Operates Continuously In High Speed-W/EATC
9.90
Page 139
1999 Ford Truck Explorer 4WD V6-245 4.0L VIN X SFI
Copyright © 2008, ALLDATA
Q1
9.90
Page 140
1999 Ford Truck Explorer 4WD V6-245 4.0L VIN X SFI
Copyright © 2008, ALLDATA
Q2
9.90
Page 141
1999 Ford Truck Explorer 4WD V6-245 4.0L VIN X SFI
Copyright © 2008, ALLDATA
Q3 - Q4
9.90
Page 142
1999 Ford Truck Explorer 4WD V6-245 4.0L VIN X SFI
Copyright © 2008, ALLDATA
Q5 - Q6
9.90
Page 143
1999 Ford Truck Explorer 4WD V6-245 4.0L VIN X SFI
Copyright © 2008, ALLDATA
Q7 - Q8
R: No Operation In High Blower Setting-Manual A/C
9.90
Page 144
1999 Ford Truck Explorer 4WD V6-245 4.0L VIN X SFI
Copyright © 2008, ALLDATA
R1
9.90
Page 145
1999 Ford Truck Explorer 4WD V6-245 4.0L VIN X SFI
Copyright © 2008, ALLDATA
R2
9.90
Page 146
1999 Ford Truck Explorer 4WD V6-245 4.0L VIN X SFI
Copyright © 2008, ALLDATA
R3 - R5
9.90
Page 147
1999 Ford Truck Explorer 4WD V6-245 4.0L VIN X SFI
Copyright © 2008, ALLDATA
S1
9.90
Page 148
1999 Ford Truck Explorer 4WD V6-245 4.0L VIN X SFI
Copyright © 2008, ALLDATA
S2 - S3
9.90
Page 149
1999 Ford Truck Explorer 4WD V6-245 4.0L VIN X SFI
Copyright © 2008, ALLDATA
T1 - T2
U:Temp Display Won't Switch Between Celsius and Fahrenheit
9.90
Page 150
1999 Ford Truck Explorer 4WD V6-245 4.0L VIN X SFI
Copyright © 2008, ALLDATA
U1
9.90
Page 151
1999 Ford Truck Explorer 4WD V6-245 4.0L VIN X SFI
Copyright © 2008, ALLDATA
U2
9.90
Page 152
1999 Ford Truck Explorer 4WD V6-245 4.0L VIN X SFI
Copyright © 2008, ALLDATA
U3
V: One or More Steering Wheel Control Switches Is Inop
9.90
Page 153
1999 Ford Truck Explorer 4WD V6-245 4.0L VIN X SFI
Copyright © 2008, ALLDATA
V1
9.90
Page 154
1999 Ford Truck Explorer 4WD V6-245 4.0L VIN X SFI
Copyright © 2008, ALLDATA
V2 - V3
9.90
Page 155
1999 Ford Truck Explorer 4WD V6-245 4.0L VIN X SFI
Copyright © 2008, ALLDATA
V4 - V5
9.90
Page 156
1999 Ford Truck Explorer 4WD V6-245 4.0L VIN X SFI
Copyright © 2008, ALLDATA
V6 - V7
9.90
Page 157
1999 Ford Truck Explorer 4WD V6-245 4.0L VIN X SFI
Copyright © 2008, ALLDATA
V8 - V9
9.90
Page 158
1999 Ford Truck Explorer 4WD V6-245 4.0L VIN X SFI
Copyright © 2008, ALLDATA
W: Console Blower Motor Does Not Operate
V10 - V11
9.90
Page 159
1999 Ford Truck Explorer 4WD V6-245 4.0L VIN X SFI
Copyright © 2008, ALLDATA
W1
9.90
Page 160
1999 Ford Truck Explorer 4WD V6-245 4.0L VIN X SFI
Copyright © 2008, ALLDATA
W2 - W3
9.90
Page 161
1999 Ford Truck Explorer 4WD V6-245 4.0L VIN X SFI
Copyright © 2008, ALLDATA
W4
9.90
Page 162
1999 Ford Truck Explorer 4WD V6-245 4.0L VIN X SFI
Copyright © 2008, ALLDATA
W5 - W6
9.90
Page 163
1999 Ford Truck Explorer 4WD V6-245 4.0L VIN X SFI
Copyright © 2008, ALLDATA
W7 - W8
9.90
Page 164
1999 Ford Truck Explorer 4WD V6-245 4.0L VIN X SFI
Copyright © 2008, ALLDATA
W9 - W10
9.90
Page 165
1999 Ford Truck Explorer 4WD V6-245 4.0L VIN X SFI
Copyright © 2008, ALLDATA
W11 - W12
9.90
Page 166
1999 Ford Truck Explorer 4WD V6-245 4.0L VIN X SFI
Copyright © 2008, ALLDATA
W13 - W14
9.90
Page 167
1999 Ford Truck Explorer 4WD V6-245 4.0L VIN X SFI
Copyright © 2008, ALLDATA
W15 - W16
X: Panel/Floor Switch Inop, Console Blower Does Operate
9.90
Page 168
1999 Ford Truck Explorer 4WD V6-245 4.0L VIN X SFI
Copyright © 2008, ALLDATA
X1
9.90
Page 169
1999 Ford Truck Explorer 4WD V6-245 4.0L VIN X SFI
Copyright © 2008, ALLDATA
X2 - X3
9.90
Page 170
1999 Ford Truck Explorer 4WD V6-245 4.0L VIN X SFI
Copyright © 2008, ALLDATA
X4 - X5
9.90
Page 171
1999 Ford Truck Explorer 4WD V6-245 4.0L VIN X SFI
Copyright © 2008, ALLDATA
X6 - X7
9.90
Page 172
1999 Ford Truck Explorer 4WD V6-245 4.0L VIN X SFI
Copyright © 2008, ALLDATA
X8 - X9
9.90
Page 173
1999 Ford Truck Explorer 4WD V6-245 4.0L VIN X SFI
Copyright © 2008, ALLDATA
X10
9.90
Page 174
1999 Ford Truck Explorer 4WD V6-245 4.0L VIN X SFI
Diagnosis By Symptom
Copyright © 2008, ALLDATA
X11 - X12
9.90
Page 175
1999 Ford Truck Explorer 4WD V6-245 4.0L VIN X SFI
Copyright © 2008, ALLDATA
Part 1 Of 3
9.90
Page 176
1999 Ford Truck Explorer 4WD V6-245 4.0L VIN X SFI
Copyright © 2008, ALLDATA
Part 2 Of 3
9.90
Page 177
1999 Ford Truck Explorer 4WD V6-245 4.0L VIN X SFI
Copyright © 2008, ALLDATA
Part 3 Of 3
9.90
Page 178
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