Possible Causes
- Intermittent Condition
- O2 Sensor
- O2 Sensor Signal Circuit
- O2 Sensor Return Circuit
- O2 Sensor Heater Operation
- EVAP System Operation
- TP Sensor Voltage Greater Than 0.92 Volt With Throttle Closed
- Throttle Position Sensor Sweep
- Fuel Filter/Pressure Regulator
- Map Sensor Operation
- ECT Sensor Operation
- Engine Mechanical Problem
- PCM