Dieseling, Run-On. Geo Prizm 1996

For 1990-2009 cars

Checks | Action
--- | ---
DEFINITION: Engine continues to run when turning the ignition OFF, but runs very roughly. If the engine runs smoothly, check the ignition switch and adjustment.
Preliminary Check | Refer to Powertrain On Board Diagnostic (OBD) System Check . Refer to Symptoms .

Fuel System Checks

• | Check the Evaporative Emission (EVAP) control system. Refer to Exhaust Gas Recirculation (EGR) System Diagnosis .

• | Check the fuel injectors for leaking. Refer to Fuel Injector Solenoid Coil Test - Engine Coolant Temperature Between 10-35 Degrees C (50-95 Degrees F) .