Hard Start or No Start
FAULT TRACING CONDITIONSBefore fault tracing, ensure that:
^ No diagnostic trouble codes are present
^ The engine cranks normally (starter motor operates), and
^ The engine is mechanically sound (valve timing, compression, etc.)
ENGINE WILL NOT START
^ Fuel Pump Fuse
^ Fuel Pump Relay
^ Fuel System Ground
^ EFI Main Relay
^ Fuel Pump
^ EFI Control Unit
ENGINE WILL NOT START COLD
^ Coolant Temperature Sensor
^ Excessive Carbon on Intake Valves
^ Intake Air Leak
ENGINE WILL NOT START HOT
^ Fuel Pressure Regulator
^ Air Mass Meter
^ Fuel Pump Check Valve
^ Coolant Temperature Sensor
^ Loose Fuel System Ground