Dieseling, Run-On. Chevrolet Cavalier (CNG) 1998

For 1990-2009 cars only

Makes 🢒 Chevrolet 🢒 1998 🢒 Cavalier (CNG) 🢒 Engine 🢒 Engine Controls - 2.2L 🢒 Dieseling, Run-On

Checks

Action

DEFINITION: The engine continues to run when the key is turned to OFF, but runs very roughly. If the engine runs smoothly, inspect the ignition switch and adjustment.

Preliminary Checks

•	Refer to Symptoms .

•	Refer to Alternative Fuels (AF) Powertrain On Board (OBD) System Check .

•	Search for service bulletins.

Fuel System Checks

•	Inspect the evaporative emissions (EVAP) system and fuel tank venting.

•	Inspect the fuel injector(s) for leakage.

•	Inspect for excessive idle speed.

•	Perform a fuel system diagnosis. Refer to Fuel System Diagnosis

Additional Checks

Inspect for a short between B+ and any of the ignition feed circuits. Refer to Engine Controls Component Views in Engine Controls - 2.2L in the J Platform Service Manual.