For 1990-2009 cars

Checks | Action
--- | ---
DEFINITION: The engine continues to run, very roughly and unevenly, after turning OFF the ignition. Check for a faulty ignition switch or ignition switch adjustment if the engine continues to run smoothly.
Preliminary Check |

• | Refer to Powertrain On Board Diagnostic (OBD) System Check .

• | Refer to Symptoms .

Fuel System Checks |

• | Check the EVAP control system. Refer to Evaporative Emission Control System Operation Description .

• | Check the fuel injector for leaking.