Dieseling, Run-On

WARNING: This page is about a different car, the 2004 Buick Regal. However, it is still accessible from the selected car via links, so may be relevant.

Dieseling, Run-On

Checks	Action
DEFINITION: Engine continues to run after key is turned OFF, but runs very rough. If engine runs smooth, inspect the ignition switch and adjustment.
Preliminary Checks	Refer to Diagnostic System Check - Engine Controls . Refer to Important Preliminary Checks. Refer to Visual/Physical Checks.
Fuel System	Test the fuel injectors using the following tests: Refer to Fuel Injector Coil Test . Refer to Fuel Injector Balance Test with Tech 2 .
Additional Checks	Test for short between B+ and any of the ignition feed circuits.