Probable Causes:
- Loose Engine Ground Bolt
- Open E1 Circuit
- Open Injector Circuit
- Fuel Line Pressure (Blocked Injector)
- Open Or Short In Oxygen Sensor Or Circuit
- Ignition System
- Coolant Temperature Sensor
- Vacuum Sensor
- EGR System
- ECU
For oxygen sensor or circuit testing, see Code 21.
For injector or circuit testing, see TEST NO. 12.
NOTE:
Diagnostic chart not available from manufacturer.