Engine Performance: System: Self-Diagnostics
- Introduction
- Self-Diagnostic System
- Summary
- Diagnostic Trouble Code Definitions
- Connector Identification
- Diagnostic Tests
- Notes
- Code 02: Reconnected Engine Control Module
- Code 12: Mass Airflow Sensor
- Code 14: Coolant Temperature Sensor
- Code 15: Fuel Temperature Sensor
- Code 17: Throttle Position Sensor
- Code 18: Throttle Position Sensor Input High/Mass Airflow Sensor Low
- Code 19: Throttle Position Sensor Input Low/Mass Airflow Sensor High
- Code 23: Fuel Supply
- Code 25: Misfire (Non-Specific)
- Code 28: Air Leak
- Code 29: Engine Control Module Memory Check
- Code 34: Injector - Bank "A" (Left Bank)
- Code 36: Injector - Bank "B" (Right Bank)
- Code 40: Misfire - Bank "A" (Left Bank)
- Code 44: Heated Oxygen Sensor - Bank "A" (Left Bank)
- Code 45: Heated Oxygen Sensor - Bank "B" (Right Bank)
- Code 48: Air By-Pass Valve
- Code 50: Misfire - Bank "B" (Right Bank)
- Code 59: Group Fault Codes 23/28
- Code 68: Road Speed Sensor
- Code 69: Gear Switch
- Code 88: Purge Valve Leak