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Fault Codes

NOTE: Codes listed in FAULT CODE tables are not used on all vehicles.
2.4L FAULT CODES

Code Component Possible Cause (1)
CHECK ENGINE Light Stays On Engine Control Unit Engine Control Unit
11  Oxygen Sensor (O2S) Circuit Faulty O2S, Connector Or Harness, Low Or High Fuel Pressure
12  Airflow Sensor Harness & Connector, Airflow Meter
13  Intake Air Temperature Sensor Harness & Connector, Intake Air Temperature Sensor
14  Throttle Position Sensor Harness & Connector, Throttle Position Sensor, Idle Position Switch
15  Motor Position Sensor Harness & Connector, Motor Position Sensor, Throttle Position Sensor
21  Coolant Temperature Sensor Harness & Connector, Coolant Temperature Sensor
22  Crank Angle Sensor Harness & Connector, Distributor Assembly
23  Top Dead Center Sensor Harness & Connector, Crank Angle Sensor
24  Vehicle Speed Sensor Harness & Connector, Vehicle Speed Sensor
25  Barometric Pressure Sensor Harness & Connector, Barometric Pressure Sensor
36  Ignition Timing Adjustment Signal Harness & Connector
41  Injector Harness & Connector, Injector Coil Resistance
42  Fuel Pump Harness & Connector, Control Relay
43 (2) EGR Harness & Connector, EGR Temperature Sensor, EGR Valve, EGR Control Solenoid, EGR Valve Control Vacuum
(1)
Replace ECU if inspection of possible cause items reveals no problem.
(2)
California only.
3.0L FAULT CODES

Code Component Possible Cause (1)
CHECK ENGINE Light Stays On Engine Control Unit Engine Control Unit
11  Oxygen Sensor (O2S) Circuit Faulty O2S, Connector Or Harness, Low Or High Fuel Pressure
12  Airflow Sensor Harness & Connector, Airflow Meter
13  Intake Air Temperature Sensor Harness & Connector, Intake Air Temperature Sensor
14  Throttle Position Sensor Harness & Connector, Throttle Position Sensor, Idle Position Switch
21  Coolant Temperature Sensor Harness & Connector, Coolant Temperature Sensor
22  Crank Angle Sensor Harness & Connector, Distributor Assembly
23  Top Dead Center Sensor Harness & Connector, Crank Angle Sensor
24  Vehicle Speed Sensor Harness & Connector, Vehicle Speed Sensor
25  Barometric Pressure Sensor Harness & Connector, Barometric Pressure Sensor
41  Injector Harness & Connector, Injector Coil Resistance
42  Fuel Pump Harness & Connector, Control Relay
43 (2) EGR Harness & Connector, EGR Temperature Sensor, EGR Valve, EGR Control Solenoid, EGR Valve Control Vacuum
(1)
Replace ECU if inspection of possible cause items reveals no problem.
(2)
California only.