Probable Causes:

• Loose Engine Ground Bolt
• Open E1 Circuit
• Short In Injector Circuit Or Injector
• Fuel Line Pressure (Leaking Injector)
• Open Or Short In Cold Start Injector Or Circuit
• Open Or Short In Oxygen Sensor Or Circuit
• Coolant Temperature Sensor
• Air Flow Meter
• Compression Pressure
• ECU

For oxygen sensor or circuit testing, see Code 21.

For injector or circuit testing, see PREVIA TEST NO. 11.