Engine Control System Self-Diagnostics - 4-Cylinder
- Introduction
- Self-Diagnostic System
- Programming
- Scan Tool Problems
- Summary
- Diagnostic Trouble Code Definitions
- Diagnostic Tests
- Notes
- DTC P0100: Mass Airflow Meter Circuit
- DTC P0101: Mass Airflow Meter Circuit Range/Performance
- DTC P0110: Intake Air Temperature Sensor Circuit
- DTC P0115: Engine Coolant Temperature Sensor Circuit
- DTC P0116: Engine Coolant Temperature Sensor Circuit Range/Performance
- DTC P0120: Throttle Position Sensor Circuit
- DTC P0121: Throttle Position Sensor Circuit Range/Performance
- DTC P0125: Insufficient Coolant Temperature For Closed Loop Fuel Control
- DTC P0128: Thermostat Malfunction
- DTC P0136 Or DTC P0156: Heated Oxygen Sensor No. 2 Circuit
- DTC P0141 Or DTC P0161: Heated Oxygen Sensor No. 2 Heater Circuit
- DTC P0171, DTC P0172, DTC P0174 Or DTC P0175: System Too Lean/Rich
- DTC P0300: Random Misfire Detected
- DTC P0301: Cylinder No. 1 Misfire Detected, DTC P0302: Cylinder No. 2 Misfire Detected, DTC P0303: Cylinder No. 3 Misfire Detected &/Or DTC P0304: Cylinder No. 4 Misfire Detected,
- DTC P0325: Knock Sensor Circuit
- DTC P0335 Or DTC P1335: Crankshaft Position Sensor Circuit
- DTC P0340: Camshaft Position Sensor Circuit
- DTC P0420 Or DTC P0430: Catalyst System Efficiency Below Threshold
- DTC P0440: Evaporative Emission Control System, Or DTC P0442: Evaporative Emission Control System Leak Detected
- DTC P0441: Incorrect EVAP Purge Flow, Or DTC P0446: EVAP Vent Control Circuit
- DTC P0450: EVAP Pressure Sensor Circuit, Or DTC P0451: EVAP Pressure Sensor Range/Performance
- DTC P0500: Vehicle Speed Sensor Circuit
- DTC P0505: Idle Air Control System Circuit
- DTC P1130 Or DTC P1150: Air/Fuel Sensor Circuit Range/Performance
- DTC P1133 Or DTC P1153: Air/Fuel Sensor Circuit Response
- DTC P1135 Or DTC P1155: Air/Fuel Sensor Heater Circuit
- DTC P1300: IGNITOR No. 1 Circuit Malfunction
- DTC P1305: IGNITOR No. 2 Circuit Malfunction
- DTC P1310: IGNITOR No. 3 Circuit Malfunction
- DTC P1315: IGNITOR No. 4 Circuit Malfunction
- DTC P1335: Crankshaft Position Sensor Circuit
- DTC P1346: Variable Valve Timing Circuit Range/Performance
- DTC P1349: Variable Valve Timing System Malfunction
- DTC P1520: Stoplight Switch Signal Circuit
- DTC P1600: ECM Batt Circuit
- DTC P1645: Body Ecu Malfunction
- DTC P1656: Oil Control Valve Malfunction
- DTC P1780: Park/Neutral Position Switch Circuit