Dieseling/Run-On

DIESELING, RUN-ON

Definition: Engine continues to run after key is turned "OFF," but runs very roughly. If engine runs smoothly, check ignition switch and adjustment.

PRELIMINARY CHECKS

^ Perform the careful visual/physical checks as described at start of "Symptoms".

FUEL SYSTEM


^ CHECK: Injector(s) for leaking. Apply 12 volts to fuel pump "test" terminal (DLC terminal "G") to turn "ON" fuel pump and pressurize fuel system. Visually check injector(s) and TBI assembly for fuel leakage. Refer to CHART A-7 "Fuel System Diagnosis."