Engine Control System Tests W/Codes
- Introduction
- Self-Diagnostic System
- Scan Tester Problems
- 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 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 (Right Side, No. 1), DTC P0150 - Heated Oxygen Sensor Circuit (Left Side)
- DTC P0133 - Heated Oxygen Sensor (Right Side) Circuit Slow Response
- DTC P0135 - Heated Oxygen Sensor Circuit (Right Side, No. 1), DTC P0141 - Heated Oxygen Sensor Circuit (Right Side, No. 2), DTC P0155 - Heated Oxygen Sensor Circuit (Left Side)
- DTC P0136 - Heated Oxygen Sensor Circuit (Right Side, No. 2)
- DTC P0141 - Heated Oxygen Sensor Circuit (Right Side, No. 2)
- DTC P0150 - Heated Oxygen Sensor Circuit (Left Side)
- DTC P0153 - Heated Oxygen Sensor Circuit (Left Side) Slow Response
- DTC P0155 - Heated Oxygen Sensor Circuit (Left Side)
- DTC P0171 - System Too Lean (Fuel Trim), DTC P0172 - System Too Rich (Fuel Trim)
- DTC P0300 - Random Misfire Detected
- DTCS 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 P0401 - Insufficient Exhaust Gas RECIRCULATION (EGR) Flow Detected
- DTC P0402 - Excessive Exhaust Gas RECIRCULATION (EGR) Flow Detected
- 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 P0510 - Closed Throttle Position (CTP) Switch Malfunction
- DTC P1300 - IGNITOR Circuit Malfunction
- DTC P1335 - Crankshaft Position (CKP) Sensor Circuit
- DTC P1500 - Starter Signal Circuit Malfunction
- DTC P1600 - ECM Batt Malfunction
- DTC P1605 - Knock Control CPU Malfunction
- DTC P1780 - Park/Neutral Position (PNP) Switch