Operation CHARM: Car repair manuals for everyone.

Dieseling/Run-On

DEFINITION
Engine continues to run after the ignition switch is turned to the "OFF" position, but runs very roughly. If engine runs smoothly, check ignition switch and adjustment.

PRELIMINARY CHECKS
- Perform the careful "Visual And Physical Checks" in Preliminary Checks. Testing and Inspection

FUEL SYSTEM
- Check fuel injector and Throttle Body Injection (TBI) for leaking.

Refer to Chart A-7B Fuel Pressure Check. Chart A-7B Fuel System Pressure Check

Refer to On-Board Diagnostic System Check. Testing and Inspection

- Check Throttle Opener adjustment. Refer to Throttle Opener / Adjustments. Adjustments