Possible Causes
- Intermittent Condition
- O2 Sensor Heater Operation
- O2 Sensor
- EVAP Purge Solenoid Operation
- O2 Sensor Signal Circuit Shorted To Voltage
- O2 Sensor Signal Circuit Open
- Throttle Position Sensor Voltage Greater Than 0.92 Volt With Throttle Closed
- TP Sensor Sweep
- MAP Sensor Operation
- ECT Sensor Operation Engine Mechanical Problem
- Fuel Filter/Pressure Regulator (High)
- PCM