Dieseling/Run-On

Definition: Engine continues to run after key is turned "OFF," but runs very roughly. If engine runs smoothly, check ignition switch and adjustment.

PRELIMINARY CHECKS
^ Refer to IMPORTANT PRELIMINARY CHECKS.
Testing and Inspection

FUEL SYSTEM
CHECK: Evaporative system and fuel tank venting.
Injectors for leaking. Refer to CHART A-6 FUEL SYSTEM DIAGNOSIS.
Related Tests, Information and Procedures
Idle speed control actuator operation (7.4L only).