AutoZone 2004 Mitsubishi Truck Montero Sport 2WD 3.5L SFI SOHC 6cyl | Repair Guides | Diagnostics | Diagnostic Trouble Codes | 6.8l V10 Vin S Auto 1 | AutoZone.com

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    Ford Excursion, Expedition, Lincoln Navigator 2000-2005

    6.8L V10 VIN S Auto 1

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    6.8L V10 VIN S Auto

    Trouble Code: P0102



    MAF Sensor Circuit Low Input

    Possible Causes:



    Check for leaks at air outlet tube
     
    Sensor power circuit open, sensor ground circuit open
     
    Sensor signal circuit open (may be disconnected)
     
    Check for loose tube clamps near the MAF sensor
     

    Trouble Code: P0103



    MAF Sensor Circuit High Input

    Possible Causes:



    Check for a restricted inlet screen on the MAF sensor.
     
    MAF sensor signal circuit is shorted to system power (B+)
     
    MAF sensor is damaged or the PCM has failed
     

    Trouble Code: P0106



    Barometric Pressure Sensor Circuit Performance

    Possible Causes:



    Sensor has deteriorated (response time too slow) or has failed
     
    PCM has failed
     

    Trouble Code: P0107



    Barometric Pressure Sensor Circuit Low Input

    Possible Causes:



    BARO sensor signal circuit is shorted to ground
     
    BARO sensor VREF circuit (5v) is open
     
    BARO sensor is damaged or it has failed
     
    PCM has failed
     

    Trouble Code: P0108



    Barometric Sensor Circuit High Input

    Possible Causes:



    BARO sensor connector is damaged, open or shorted
     
    BARO sensor signal circuit is open or shorted to VREF (5v)
     
    BARO sensor is damaged or it has failed
     
    PCM has failed
     

    Trouble Code: P0109



    Barometric Sensor Circuit Intermittent Input

    Possible Causes:



    BARO sensor signal circuit is open or shorted to ground (intermittent)
     
    BARO sensor VREF circuit (5v) is open
     
    BARO sensor signal circuit is shorted to ground (Intermittent)
     
    BARO sensor is damaged or it has failed
     

    Trouble Code: P0112



    Intake Air Temperature Sensor Circuit Low Input

    Possible Causes:



    IAT sensor signal circuit is grounded (check wiring & connector)
     
    IAT sensor is damaged or it has failed
     
    PCM has failed
     

    Trouble Code: P0113



    Intake Air Temperature Sensor Circuit High Input

    Possible Causes:



    IAT sensor signal circuit is open (inspect wiring & connector)
     
    IAT sensor signal circuit is shorted to VREF (5v)
     
    IAT sensor is damaged or it has failed
     
    PCM has failed
     

    Trouble Code: P0116



    ECT Sensor / CHT Sensor Signal Range/Performance

    Possible Causes:



    Check for low coolant level or incorrect coolant mixture
     
    CHT sensor is out-of-calibration or it has failed
     
    ECT sensor is out-of-calibration or it has failed
     

    Trouble Code: P0117



    ECT Sensor Circuit Low Input

    Possible Causes:



    ECT sensor signal circuit is grounded in the wiring harness
     
    ECT sensor is damaged or the PCM has failed
     

    Trouble Code: P0118



    ECT Sensor Circuit High Input

    Possible Causes:



    ECT sensor signal circuit is open (inspect wiring & connector)
     
    ECT sensor signal circuit is shorted to VREF (5v)
     
    ECT sensor is damaged or it has failed
     
    PCM has failed
     

    Trouble Code: P0121



    TP Sensor Signal Range/Performance

    Possible Causes:



    Throttle plate is binding, dirty or sticking
     
    TP sensor signal circuit open (inspect wiring & connector)
     
    TP sensor ground circuit open (inspect wiring & connector)
     
    TP Sensor is damaged or has failed
     

    Trouble Code: P0122



    TP Sensor Circuit Low Input

    Possible Causes:



    TP sensor signal circuit open (inspect wiring & connector)
     
    TP sensor signal shorted to ground (inspect wiring & connector)
     
    TP sensor VREF circuit is open (between the sensor and PCM)
     
    TP sensor is damaged or has failed
     
    PCM has failed
     

    Trouble Code: P0123



    TP Sensor Circuit High Input

    Possible Causes:



    TP sensor not seated correctly in housing (may be damaged)
     
    TP sensor signal is circuit shorted to VREF or system voltage
     
    TP sensor ground circuit is open (check the wiring harness)
     
    Perform a "sensor sweep test" and monitor for any glitches
     
    PCM has failed
     

    Trouble Code: P0125



    Insufficient Coolant Temperature For Closed Loop

    Possible Causes:



    Check the coolant mixture for an incorrect mixture
     
    Check the operation of the thermostat (it may be stuck open)
     
    ECT sensor (or the CHT sensor) has failed
     
    Inspect for low coolant level
     

    Trouble Code: P0128



    Coolant Thermostat (Coolant Temperature Below Thermostat Regulating Temperature)

    Possible Causes:



    Insufficient warm-up time
     
    Low engine coolant level
     
    Leaking or stuck open thermostat
     
    Inoperative engine coolant temperature sensor
     
    Inoperative cylinder head temperature sensor
     

    Trouble Code: P0131



    HO2S-11 (Bank 1 Sensor 1) Circuit Low Input

    Possible Causes:



    HO2S is contaminated (due to presence of silicone in fuel)
     
    HO2S signal and ground circuit wires crossed in wiring harness
     
    HO2S signal circuit is shorted to sensor or chassis ground
     
    HO2S element has failed (internal short condition)
     
    PCM has failed
     

    Trouble Code: P0132



    HO2S-11 (Bank 1 Sensor 1) Circuit High Input

    Possible Causes:



    HO2S signal shorted to heater power circuit inside connector
     
    HO2S signal circuit shorted to VREF or to system voltage
     
    PCM has failed
     

    Trouble Code: P0133



    HO2S-11 (Bank 1 Sensor 1) Circuit Slow Response

    Possible Causes:



    HO2S is contaminated (due to presence of silicone in fuel)
     
    HO2S signal circuit open
     
    Leaks present in the exhaust manifold or exhaust pipes
     
    HO2S is damaged or has failed
     
    PCM has failed
     

    Trouble Code: P0135



    HO2S-11 (Bank 1 Sensor 1) Heater Circuit Malfunction

    Possible Causes:



    HO2S heater power circuit is open or heater ground circuit open
     
    HO2S signal tracking (due to oil or moisture in the connector)
     
    HO2S is damaged or has failed
     
    PCM has failed
     

    Trouble Code: P0136



    HO2S-12 (Bank 1 Sensor 1) Circuit No Activity

    Possible Causes:



    Leaks present in the exhaust manifold or exhaust pipes
     
    HO2S signal wire and ground wire crossed in connector
     
    HO2S element is fuel contaminated or has failed
     
    PCM has failed
     

    Trouble Code: P0138



    HO2S-12 (Bank 1 Sensor 2) Circuit High Input

    Possible Causes:



    HO2S signal shorted to heater power circuit in the connector
     
    HO2S signal circuit shorted to VREF or to system voltage
     
    PCM has failed
     

    Trouble Code: P0141



    HO2S-12 (Bank 1 Sensor 2) Heater Circuit Malfunction

    Possible Causes:



    HO2S heater power circuit is open or heater ground circuit open
     
    HO2S signal tracking (due to oil or moisture in the connector)
     
    HO2S is damaged or has failed
     
    PCM has failed
     

    Trouble Code: P0148



    Fuel Delivery Error

    Possible Causes:



    Severely restricted fuel filter
     
    Severely pinched or restricted fuel delivery line
     

    Trouble Code: P0171



    Fuel System Too Lean (Cylinder Bank 1)

    Possible Causes:



    Air leaks after the MAF sensor, or leaks in the PCV system
     
    Exhaust leaks before or near where the HO2S is mounted
     
    Fuel injector(s) restricted or not supplying enough fuel
     
    Fuel pump not supplying enough fuel during high fuel demand conditions
     
    Leaking EGR gasket, or leaking EGR valve diaphragm
     
    MAF sensor dirty (causes PCM to underestimate airflow)
     
    Vehicle running out of fuel or engine oil dip stick not seated
     
    TSB 01-20-5 contains a repair procedure for this trouble code
     

    Trouble Code: P0172



    Fuel System Too Rich (Cylinder Bank 1)

    Possible Causes:



    Camshaft timing is incorrect, or the engine has an oil overfill condition
     
    EVAP vapor recovery system failure (may be pulling vacuum)
     
    Fuel pressure regulator is damaged or leaking
     
    HO2S element is contaminated with alcohol or water
     
    MAF or MAP sensor values are incorrect or out-of-range
     
    One of more fuel injectors is leaking
     

    Trouble Code: P0174



    Fuel System Too Lean (Cylinder Bank 2)

    Possible Causes:



    Air leaks after the MAF sensor, or leaks in the PCV system
     
    Exhaust leaks before or near where the HO2S is mounted
     
    Fuel injector(s) restricted or not supplying enough fuel
     
    Fuel system not supplying enough fuel during high fuel demand conditions (e.g., the fuel pump may not supply enough fuel)
     
    Leaking EGR gasket, or leaking EGR valve diaphragm
     
    MAF sensor dirty (causes PCM to underestimate airflow)
     
    Vehicle running out of fuel or engine oil dip stick not seated
     
    TSB 1-20-5 contains a repair procedure for this trouble code
     

    Trouble Code: P0175



    Fuel System Too Rich (Cylinder Bank 2)

    Possible Causes:



    Camshaft timing is incorrect
     
    Engine oil overfill condition
     
    EVAP vapor recovery system failure (may be pulling vacuum)
     
    Fuel pressure regulator is damaged or leaking
     
    HO2S element is contaminated with alcohol or water
     
    MAF or MAP sensor values are incorrect or out-of-range
     
    One of more fuel injectors is leaking
     

    Trouble Code: P0201



    Cylinder 1 Injector Circuit Malfunction

    Possible Causes:



    Injector 1 connector is damaged, open or shorted
     
    Injector 1 control circuit is open, shorted to ground or to power
     
    PCM has failed (the injector driver circuit may be damaged)
     

    Trouble Code: P0202



    Cylinder 2 Injector Circuit Malfunction

    Possible Causes:



    Injector 2 connector is damaged, open or shorted
     
    Injector 2 control circuit is open, shorted to ground or to power
     
    PCM has failed (the injector driver circuit may be damaged)
     

    Trouble Code: P0203



    Cylinder 3 Injector Circuit Malfunction

    Possible Causes:



    Injector 3 connector is damaged, open or shorted
     
    Injector 3 control circuit is open, shorted to ground or to power
     
    PCM has failed (the injector driver circuit may be damaged)
     

    Trouble Code: P0204



    Cylinder 4 Injector Circuit Malfunction

    Possible Causes:



    Injector 4 connector is damaged, open or shorted
     
    Injector 4 control circuit is open, shorted to ground or to power
     
    PCM has failed (the injector driver circuit may be damaged)
     

    Trouble Code: P0205



    Cylinder 5 Injector Circuit Malfunction

    Possible Causes:



    Injector 5 connector is damaged, open or shorted
     
    Injector 5 control circuit is open, shorted to ground or to power
     
    PCM has failed (the injector driver circuit may be damaged)
     

    Trouble Code: P0206



    Cylinder 6 Injector Circuit Malfunction

    Possible Causes:



    Injector 6 connector is damaged, open or shorted
     
    Injector 6 control circuit is open, shorted to ground or to power
     
    PCM has failed (the injector driver circuit may be damaged)
     

    Trouble Code: P0207



    Cylinder 7 Injector Circuit Malfunction

    Possible Causes:



    Injector 7 connector is damaged, open or shorted
     
    Injector 7 control circuit is open, shorted to ground or to power
     
    PCM has failed (the injector driver circuit may be damaged)
     

    Trouble Code: P0208



    Cylinder 8 Injector Circuit Malfunction

    Possible Causes:



    Injector 8 connector is damaged, open or shorted
     
    Injector 8 control circuit is open, shorted to ground or to power
     
    PCM has failed (the injector driver circuit may be damaged)
     

    Trouble Code: P0209



    Cylinder 9 Injector Circuit Malfunction

    Possible Causes:



    Injector 9 connector is damaged, open or shorted
     
    Injector 9 control circuit is open, shorted to ground or to power
     
    PCM has failed (the injector driver circuit may be damaged)
     

    Trouble Code: P0210



    Cylinder 10 Injector Circuit Malfunction

    Possible Causes:



    Injector 10 connector is damaged, open or shorted
     
    Injector 10 control circuit is open, shorted to ground or to power
     
    PCM has failed (the injector driver circuit may be damaged)
     

    Trouble Code: P0219



    Engine Over-Speed Condition

    Possible Causes:



    Engine operated in the wrong transmission gear position
     
    Excessive engine speed with gear selector in Neutral position
     
    Wheel slippage due to wet, muddy or snowing conditions
     

    Trouble Code: P0230



    Fuel Pump Primary Circuit Malfunction

    Possible Causes:



    FP or FSV circuit is open or shorted
     
    Fuel pump relay VPWR circuit open
     
    Fuel pump relay is damaged or has failed
     
    PCM has failed
     

     
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