AutoZone 1997 Lincoln Town Car 4.6L SFI 8cyl | Repair Guides | Diagnostics | Diagnostic Trouble Codes | 3.4l V6 Vin E Auto 1 | AutoZone.com

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    Montana SV6 (2006), Relay, Terraza, Uplander (2005-2007)

    3.4L V6 VIN E Auto 1

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    3.4L V6 VIN E Auto

    Trouble Code: P0030



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

    Possible Causes:



    HO2S low side control circuit is shorted to system power (B+)
     
    HO2S low side control circuit driver is shorted inside the PCM
     
    HO2S heater has failed (it may be shorted internally)
     
    PCM has failed
     

    Trouble Code: P0101



    MAF Sensor Signal Range/Performance

    Possible Causes:



    Base engine vacuum leak, PCV valve leaking or stuck open
     
    Engine oil dipstick missing or not fully seated
     
    MAF sensor element (wire) is contaminated or dirty
     
    MAF sensor signal or ground circuit has a high resistance
     
    MAF sensor is damaged or it has failed
     
    PCM has failed
     

    Trouble Code: P0102



    MAF Sensor Circuit Low Frequency

    Possible Causes:



    MAF sensor element hot wire contaminated or the sensor failed
     
    MAF sensor signal shorted to ground or ground circuit problem
     
    MAF sensor wiring routed close to ignition wires, generator, solenoids or electric motors
     
    PCM has failed
     

    Trouble Code: P0103



    MAF Sensor Circuit High Frequency

    Possible Causes:



    MAF sensor power circuit has a high resistance condition
     
    MAF sensor is contaminated, dirty or it has failed
     
    MAF sensor wiring routed close to Generator or ignition wires
     
    Water enters the air intake system reaches the MAF sensor, cools it, and causes it to indicate excessive airflow (check AIR system)
     
    PCM has failed
     

    Trouble Code: P0107



    MAP Sensor Circuit Low Input

    Possible Causes:



    MAP sensor signal circuit shorted to sensor ground
     
    MAP sensor power circuit open between the sensor and PCM
     
    MAP sensor is damaged or has failed
     
    PCM has failed
     

    Trouble Code: P0108



    MAP Sensor Circuit High Input

    Possible Causes:



    MAP sensor signal circuit is open or it is shorted to VREF
     
    MAP sensor ground circuit open between sensor and the PCM
     
    MAP sensor is damaged or has failed
     
    PCM has failed
     
    This code can set due to a backfire or engine cranking too long
     

    Trouble Code: P0112



    IAT Sensor Circuit Low Input

    Possible Causes:



    IAT sensor signal circuit is shorted to sensor or chassis ground
     
    IAT sensor is damaged or has failed (it may be shorted)
     
    PCM has failed
     
    TSB 02-06-03-005 contains a repair procedure for this code
     

    Trouble Code: P0113



    IAT Sensor Circuit High Input

    Possible Causes:



    IAT sensor signal circuit is open between the sensor and PCM
     
    IAT sensor signal circuit is shorted to VREF or system power
     
    IAT sensor is damaged or has failed (it may be open)
     
    PCM has failed
     
    TSB 02-06-03-005 contains a repair procedure for this code
     

    Trouble Code: P0116



    ECT Sensor Signal Range/Performance

    Possible Causes:



    ECT sensor circuit has an intermittent high resistance condition
     
    ECT sensor circuit has an intermittent grounded condition
     
    ECT sensor is out of calibration or "skewed" high
     
    IAT sensor is out of calibration or it is "skewed" high or low
     
    TSB 01-06-04-052 contains a repair procedure for this code
     

    Trouble Code: P0117



    ECT Sensor Circuit Low Input

    Possible Causes:



    ECT sensor signal circuit shorted to sensor or chassis ground
     
    ECT sensor is damaged or has failed (it may be shorted)
     
    PCM has failed
     

    Trouble Code: P0118



    ECT Sensor Circuit High Input

    Possible Causes:



    ECT sensor signal circuit is open between the sensor and PCM
     
    ECT sensor signal circuit is shorted to VREF or system power
     
    ECT sensor is damaged or has failed (it may be open)
     
    PCM has failed
     

    Trouble Code: P0121



    TP Sensor Signal Range/Performance

    Possible Causes:



    TP sensor signal circuit is shorted to ground (intermittent fault)
     
    TP sensor signal circuit is open (an intermittent fault)
     
    TP sensor VREF circuit is open or shorted (intermittent fault)
     
    TP sensor is damaged or it failed (may be cracked or sticking)
     

    Trouble Code: P0122



    TP Sensor Circuit Low Input

    Possible Causes:



    TP sensor signal circuit is shorted to sensor ground
     
    TP sensor signal circuit is open
     
    TP sensor VREF circuit is open between sensor and PCM
     
    TP sensor is damaged or it failed (it may be shorted)
     
    PCM is damaged or has failed
     

    Trouble Code: P0123



    TP Sensor Circuit High Input

    Possible Causes:



    TP sensor signal circuit is shorted to VREF or system power
     
    TP sensor ground circuit is open between the sensor and PCM
     
    TP sensor is damaged or it failed (it may be open)
     
    PCM is damaged or has failed
     

    Trouble Code: P0125



    Engine Coolant Temperature Insufficient For Closed Loop Operation

    Possible Causes:



    Check the operation of the thermostat (it may be stuck open)
     
    Coolant level is too low, or the coolant mixture is incorrect
     
    ECT sensor signal circuit has a high resistance condition
     
    ECT sensor is damaged or it has failed
     

    Trouble Code: P0125



    Excessive Time To Closed Loop Fuel Control

    Possible Causes:



    Check the operation of the thermostat (it may be stuck open)
     
    Coolant level is too low, or the coolant mixture is incorrect
     
    ECT sensor signal circuit has a high resistance condition
     
    ECT sensor is damaged or it has failed
     

    Trouble Code: P0128



    ECT Sensor Below Thermostat Regulating Temperature

    Possible Causes:



    Check the operation of the thermostat (it may be stuck open)
     
    Coolant level is too low, or the coolant mixture is incorrect
     
    ECT sensor signal circuit has a high resistance condition
     
    ECT sensor is damaged or it has failed
     

    Trouble Code: P0130



    HO2S-11 (Bank 1 Sensor 1) Closed Loop Performance

    Possible Causes:



    Air leaks in the exhaust system, intake manifold, vacuum lines
     
    EVAP Purge system malfunction or charcoal canister problems
     
    HO2S signal circuit is open between the sensor and the PCM
     
    HO2S signal circuit is shorted to sensor or chassis ground
     
    HO2S is damaged, contaminated or air reference hole clogged
     
    PCM has failed
     

    Trouble Code: P0131



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

    Possible Causes:



    Air leaks in the exhaust system, intake manifold, vacuum lines
     
    Engine misfire condition present (look for P0300 series codes)
     
    Fuel system too lean (possible low fuel pressure, water in fuel)
     
    HO2S signal circuit is shorted to the sensor or chassis ground
     
    HO2S is damaged (i.e., cracked) or air reference hole clogged
     
    PCM has failed
     

    Trouble Code: P0132



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

    Possible Causes:



    Fuel system is too rich (fuel pressure too high, fuel pressure regulator leaking, or one or more fuel injectors sticking/leaking)
     
    HO2S element is silicon, water or fuel contaminated
     
    HO2S signal circuit is shorted to system power (B+)
     
    HO2S signal tracking (water intrusion) in the connector causing a short between the HO2S signal and heater power circuits
     
    PCM has failed
     

    Trouble Code: P0133



    HO2S-11 (Bank 1 Sensor 1) Slow Response

    Possible Causes:



    Exhaust leak present in the exhaust manifold or exhaust pipes
     
    Fuel system is too rich (fuel pressure too high, fuel pressure regulator leaking, or one or more fuel injectors sticking/leaking)
     
    HO2S element is silicon, water or fuel contaminated or it failed
     
    TP sensor element broken (can cause false acceleration event)
     
    PCM has failed
     

    Trouble Code: P0134



    HO2S-11 (Bank 1 Sensor 1) Insufficient Activity

    Possible Causes:



    HO2S heater is damaged or has failed
     
    HO2S signal or ground circuit has a high resistance condition
     
    HO2S signal circuit is open or shorted to system power (B+)
     
    HO2S has failed (i.e., it is silicon, water or fuel contaminated)
     
    PCM has failed
     

    Trouble Code: P0135



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

    Possible Causes:



    HO2S heater ground circuit is open or it has high resistance
     
    HO2S heater power circuit is open (test O2S fuse in fuse block)
     
    HO2S heater element is damaged or it has failed
     
    PCM has failed
     

    Trouble Code: P0137



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

    Possible Causes:



    Air leaks in the exhaust system, intake manifold, vacuum lines
     
    Engine misfire condition present (look for P0300 series codes)
     
    Fuel system too lean (possible low fuel pressure, water in fuel)
     
    HO2S signal circuit is shorted to the sensor or chassis ground
     
    HO2S is damaged (i.e., cracked) or air reference hole clogged
     
    PCM has failed
     

    Trouble Code: P0138



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

    Possible Causes:



    Fuel system is too rich (fuel pressure too high, fuel pressure regulator leaking, or one or more fuel injectors sticking/leaking)
     
    HO2S element is silicon, water or fuel contaminated
     
    HO2S signal circuit is shorted to system power (B+)
     
    HO2S signal tracking (water intrusion) in the connector causing a short between the HO2S signal and heater power circuits
     
    PCM has failed
     

    Trouble Code: P0140



    HO2S-12 (Bank 1 Sensor 2) Insufficient Activity

    Possible Causes:



    Exhaust leak present in the exhaust manifold or exhaust pipes
     
    HO2S signal or ground circuit has a high resistance condition
     
    HO2S element is silicon, water or fuel contaminated
     
    PCM has failed
     

    Trouble Code: P0141



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

    Possible Causes:



    HO2S assembly connector is damaged, open or shorted
     
    HO2S heater ground circuit is open or it has high resistance
     
    HO2S heater power circuit is open (test O2S fuse in fuse block)
     
    HO2S heater element is damaged or has failed
     
    PCM has failed
     

    Trouble Code: P0171



    Fuel Trim System Lean (Bank 1)

    Possible Causes:



    Air leaks in intake manifold, exhaust pipes or exhaust manifold
     
    Fuel control sensor is out of calibration (ECT, IAT or MAF)
     
    Fuel component fault (fuel filter, fuel injector, low fuel pressure)
     
    HO2S element is contaminated, deteriorated or has failed
     

    Trouble Code: P0172



    Fuel Trim System Rich (Bank 1)

    Possible Causes:



    Base engine "mechanical" fault affecting one or more cylinders
     
    Excess fuel vapors in crankcase (the oil needs to be changed)
     
    EVAP system component has failed or canister fuel saturated
     
    Fuel control sensor is out of calibration (i.e., ECT, IAT or MAF)
     
    Fuel delivery system supplying too much fuel during cruise or idle periods (e.g., faulty fuel pump, or faulty pressure regulator)
     
    Fuel injector(s) is leaking or stuck partially open (one or more)
     
    HO2S is contaminated, deteriorated or it has failed
     

    Trouble Code: P0201



    Fuel Injector 1 Control Circuit Malfunction

    Possible Causes:



    Injector 1 control circuit is open between injector and PCM
     
    Injector 1 control circuit is grounded between injector and PCM
     
    Injector 1 power circuit is open (test INJ fuse in fuse block)
     
    Injector 1 is damaged or it has failed
     
    PCM is damaged
     

    Trouble Code: P0202



    Fuel Injector 2 Control Circuit Malfunction

    Possible Causes:



    Injector 2 control circuit is open between injector and PCM
     
    Injector 2 control circuit is grounded between injector and PCM
     
    Injector 2 power circuit is open (test INJ fuse in fuse block)
     
    Injector 2 is damaged or it has failed
     
    PCM is damaged
     

    Trouble Code: P0203



    Fuel Injector 3 Control Circuit Malfunction

    Possible Causes:



    Injector 3 control circuit is open between injector and PCM
     
    Injector 3 control circuit is grounded between injector and PCM
     
    Injector 3 power circuit is open (test INJ fuse in fuse block)
     
    Injector 3 is damaged or it has failed
     
    PCM is damaged
     

    Trouble Code: P0204



    Fuel Injector 4 Control Circuit Malfunction

    Possible Causes:



    Injector 4 control circuit is open between injector and PCM
     
    Injector 4 control circuit is grounded between injector and PCM
     
    Injector 4 power circuit is open (test INJ fuse in fuse block)
     
    Injector 4 is damaged or it has failed
     
    PCM is damaged
     

    Trouble Code: P0205



    Fuel Injector 5 Control Circuit Malfunction

    Possible Causes:



    Injector 5 control circuit is open between injector and PCM
     
    Injector 5 control circuit is grounded between injector and PCM
     
    Injector 5 power circuit is open (test INJ fuse in fuse block)
     
    Injector 5 is damaged or it has failed
     
    PCM is damaged
     

    Trouble Code: P0206



    Fuel Injector 6 Control Circuit Malfunction

    Possible Causes:



    Injector 6 control circuit is open between injector and PCM
     
    Injector 6 control circuit is grounded between injector and PCM
     
    Injector 6 power circuit is open (test INJ fuse in fuse block)
     
    Injector 6 is damaged or it has failed
     
    PCM is damaged
     

    Trouble Code: P0230



    Fuel Pump Control Circuit Malfunction

    Possible Causes:



    Fuel pump relay power circuit is open (test B+ from at fuse box)
     
    Fuel pump control circuit is open or shorted to ground
     
    Fuel pump control circuit is shorted to system power
     
    PCM has failed
     

    Trouble Code: P0300



    Multiple Cylinder Misfire Detected

    Possible Causes:



    Base engine mechanical or fuel metering fault that affects one or more cylinders
     
    EVAP system problem or the EVAP canister is fuel saturated
     
    EGR valve is stuck open or the PCV system has a vacuum leak
     
    IC control circuit is shorted to ground (an intermittent fault)
     
    Ignition system fault (a coil) that affects more than one cylinder
     
    MAF sensor contamination (it can cause a very lean condition)
     
    TSB 99-06-04-005B contains a repair procedure for this code
     
    TSB 03-06-04-030 contains a repair procedure for this code
     

    Trouble Code: P0301



    Cylinder 1 Misfire Detected

    Possible Causes:



    Air leak in the intake manifold, or in the EGR or PCV system
     
    Base engine mechanical fault that affects only Cylinder 1
     
    Fuel component fault that affects only Cylinder 1 (i.e., a dirty or sticking fuel injector)
     
    Ignition system problem (coil, plug) that affects only Cylinder 1
     

    Trouble Code: P0302



    Cylinder 2 Misfire Detected

    Possible Causes:



    Air leak in the intake manifold, or in the EGR or PCV system
     
    Base engine mechanical fault that affects only Cylinder 2
     
    Fuel component fault that affects only Cylinder 2 (i.e., a dirty or sticking fuel injector)
     
    Ignition system problem (coil, plug) that affects only Cylinder 2
     

    Trouble Code: P0303



    Cylinder 3 Misfire Detected

    Possible Causes:



    Air leak in the intake manifold, or in the EGR or PCV system
     
    Base engine mechanical fault that affects only Cylinder 3
     
    Fuel component fault that affects only Cylinder 3 (i.e., a dirty or sticking fuel injector)
     
    Ignition system problem (coil, plug) that affects only Cylinder 3
     

     
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