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Home >> Hummer >> 2005 >> H2 4D Utility Pickup >> Repair and Diagnosis >> Engine Performance >> System >> Engine Controls - Troubleshooting >> Troubleshooting >> Dieseling, Run-On
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Dieseling, Run-On

Dieseling, Run-On

Inspections Action
DEFINITION: Engine continues to run after key is turned OFF, but runs very rough. If the engine runs smooth, inspect the ignition switch and the ignition switch adjustment.
Preliminary Inspections
Fuel System Inspect the fuel injectors for a leaking condition. Refer to Fuel System Diagnosis  for the proper procedure.