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.- Check injector(s) for leaking. Apply 12 volts to fuel pump "test" terminal to turn "ON" fuel pump and prime fuel system.
For a single tank system, see CHART A-5. Chart A-5 Fuel Pump and Relay Electrical Test
- Visually check injector and TBI assembly for fuel leakage.