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 ([1][2]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."