Engine Controls - Tests W/Codes
- Introduction
- Self-Diagnostic System
- Scan Tool Problems
- Summary
- Circuit Tests
- Notes
- DTC P0100: Mass Airflow (MAF) Sensor Circuit
- DTC P0101: Mass Airflow (MAF) Sensor CKT 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 & P0150 - Heated Oxygen Sensor Fault
- DTC P0133 & P0153: Heated Oxygen Sensor
- DTC P0135, P0141, P0155 & P0161: Heated Oxygen Sensor Circuit
- DTC P0136 & P0156: Heated Oxygen Sensor Circuit
- DTC P0150: Heated Oxygen Sensor Fault (Bank No. 2, Sensor No. 1)
- DTC P0153: Heated Oxygen Sensor (Bank No. 2, Sensor No. 1) Circuit Slow Response
- DTC P0155: Heated Oxygen Sensor Circuit (Bank No. 2, Sensor No. 1)
- DTC P0156: Heated Oxygen Sensor Circuit (Bank No. 2, Sensor No. 2)
- DTC P0161: Heated Oxygen Sensor Circuit (Bank No. 2, Sensor No. 2)
- DTC P0171 & P0172: System Too Lean Or Rich (Fuel Trim)
- DTC P0300: Random Misfire Detected
- DTCS P0301-P0308: Cylinders No. 1-8 Misfire Detected
- DTC P0325 & P0330: Knock Sensor Circuit
- DTC P0335 Or P1335: Crankshaft Position (CKP) Sensor "A" Circuit
- DTC P0340: Camshaft Position (CMP) Sensor CKT Malfunction
- DTC P0401: Insufficient Exhaust Gas RECIRCULATION (EGR) Flow Detected
- DTC P0402: Excessive EGR Flow Detected
- DTC P0403: EGR Circuit Malfunction
- DTC P0420 Or P0430: Catalyst System Efficiency Below Threshold
- DTC P0440: EVAP System Malfunction
- DTC P0441 & P0446: EVAP System Malfunction
- DTC P0450: EVAP Pressure Sensor Malfunction
- DTC P0500: Vehicle Speed Sensor (VSS) Malfunction
- DTC P0505: Idle Control System Malfunction
- DTC P0510: Closed Throttle Position (CTP) Switch Malfunction
- DTC P1100: Barometric Pressure (BARO) Sensor CKT Malfunction
- DTC P1200: Fuel Pump Relay Circuit Malfunction
- DTC P1300 Or P1305: IGNITOR Circuit Malfunction
- DTC P1335: Crankshaft Position (CKP) Sensor Circuit
- DTC P1400: Sub-Throttle Position (Sub-TP) Sensor Malfunction
- DTC P1401: Sub-Throttle Position (Sub-TP) Sensor Circuit Range/Performance Problem
- DTC P1520: Stoplight Switch Signal Malfunction
- DTC P1600: ECM Batt Malfunction
- DTCS P1605: Knock Control ECM Malfunction
- DTCS P1780: Park/Neutral Position Switch Malfunction