Probable Causes
- Manifold Absolute Pressure (MAP) sensor failed (1.5L).
- Volume Airflow (VAF) sensor failed (1.8L).
- Barometric Pressure (BARO) sensor failed (1.8L).
- Fuel injector failed.
- Incorrect fuel pressure.
- Intake air leaks.
- Heated Oxygen Sensor (HO2S) failed.
- Engine Coolant Temperature (ECT) sensor failed.
- Intake Air Temperature (IAT) sensor failed.
- Exhaust system leak.
- Use of incorrect fuel.
- Engine Control Module (ECM) failed.