Dieseling/Run-On
DEFINITIONEngine continues to run after key is turned OFF, but runs very roughly.
POSSIBLE CAUSE ACTION
Faulty evaporative emission control Check EVAP system and fuel tank venting:
refer to EVAPORATIVE EMISSION CONTROL
SYSTEM/ DIAGNOSIS, TESTING AND INSPECTION
in EMISSION CONTROL SYSTEMS.
Leaking fuel injectors Check Fuel injectors. Fuel Injector Leak Test