Engine Does Not Start
FAULT INDICATIONSEngine cranks normally but will not start. Symptom is permanent (not intermittent).
FAULT TRACING CONDITIONS
Before fault tracing, ensure that:
^ No diagnostic trouble codes are present,
^ The engine cranks normally (starter motor operates), and
^ The engine is mechanically sound (compression, etc.).
^ All fuses are clean and intact.
FUEL PUMP
^ Open circuit in fuel pump relay wiring (supply, ground, or signal).
^ Fuel pump relay signal lead short circuited to ground or power supply.
^ Open circuit in fuel pump power supply or ground.
^ Excessive connector resistance at relay or fuel pump.
^ Bad fuel pump or fuel pump relay.
Fuel Pump
INJECTORS
^ Open circuit in injection control unit power/ground.
^ Short or Open circuit in vehicle speed sensor lead.
^ Short or Open circuit to injector ground or power supply.
^ Faulty injector(s).
FUEL PRESSURE
^ Incorrect fuel pressure.
^ Fuel tank is empty
Testing and Inspection