GM Service Manual Online
For 1990-2009 cars only

Checks

Action

DEFINITION: Engine continues to run after key is turned OFF, but runs very rough. If engine runs smooth, check the ignition switch and adjustment.

Preliminary Checks

    • Refer to Symptoms .
    • Search for bulletins.
    • Check PCM grounds for being clean, tight and in their proper locations.

Fuel System

Inspect injectors for leaking.