Engine Control System Tests W/Codes - 3.4L
- Introduction
- Self-Diagnostic System
- Scan Tool Problems
- Summary
- Circuit Tests
- Notes
- DTC P0100: Mass Airflow (MAF) Sensor Circuit
- DTC P0101: Mass Airflow (MAF) Sensor Circuit Range/Performance Problem
- DTC P0110: Intake Air Temperature (IAT) Sensor Circuit
- DTC P0115: Engine Coolant Temperature (ECT) Sensor Circuit
- DTC P0116: Engine Coolant Temperature (ECT) Sensor Circuit Range/ Performance Problem
- DTC P0120: Throttle Position (TP) Sensor/Switch Circuit Malfunction
- DTC P0121: Throttle Position (TP) Sensor Circuit Range/Performance Problem
- DTC P0125: Insufficient Coolant Temperature For Closed Loop Fuel Control
- DTC P0130: Heated Oxygen Sensor Circuit (Sensor No. 1)
- DTC P0133: Heated Oxygen Sensor Circuit (Sensor No. 1) Slow Response
- DTC P0135: Heated Oxygen Sensor Circuit (Sensor No. 1), DTC P0141: Heated Oxygen Sensor Circuit (Sensor No. 2)
- DTC P0136: Heated Oxygen Sensor Circuit (Sensor No. 2)
- DTC P0141: Heated Oxygen Sensor Circuit (Sensor No. 2)
- DTC P0171: System Too Lean (Fuel Trim), DTC P0172: System Too Rich (Fuel Trim)
- DTC P0300: Random Misfire Detected
- DTC P0301-P0306 - Cylinders No. 1-6 Misfire Detected
- DTC P0325: Knock Sensor No. 1 Circuit, DTC P0330: Knock Sensor No. 2 Circuit
- DTC P0335 Or P1335: Crankshaft Position (CKP) Sensor Circuit
- DTC P0340: Camshaft Position (CMP) Sensor Circuit
- DTC P0420: Catalyst System Efficiency Below Threshold
- DTC P0440: Evaporative Emission Control System Malfunction
- DTC P0441: Incorrect EVAP Purge Flow, DTC P0446: Vent Control Malfunction
- DTC P0450: EVAP Pressure Sensor Malfunction
- DTC P0500: Vehicle Speed Sensor Malfunction
- DTC P0505: Idle Air Control (IAC) System Malfunction
- DTC P1300: IGNITOR Circuit Malfunction
- DTC P1335: Crankshaft Position (CKP) Sensor Circuit
- DTC P1520: Stoplight Switch Signal Malfunction (A/T Only)
- DTC P1600: ECM Batt Malfunction
- DTC P1780: Park/Neutral Position (PNP) Switch