Probable Causes:
- Loose Engine Ground
- Open E1 Circuit
- Short In Injector Circuit Or Injector
- Fuel Line Pressure (Leaking Injector)
- Open Or Short In O2 Sensor Or Circuit
- Open Or Short In O2 Sensor Or Circuit
- Vacuum Sensor
- Compression Pressure
- ECU
For oxygen sensor or circuit testing, see Code 21.
For injector or circuit testing, see TEST NO. 12.
NOTE:
Diagnostic chart is not available from manufacturer.