Difficult To Start
NOTE:
If engine cranks but will not start, see BASIC TESTING
article for trouble shooting procedure.
- Check for contaminated fuel.
- Check fuel pressure.
- Check for faulty ECT sensor and circuit.
- Check for faulty IAT sensor and compare readings with ECT sensor.
- Check for loss of crank signal to PCM.
- Check EGR system.
- Check fuel pump relay and circuit.
- Check ignition system and grounds.
- Check for faulty IAC operation (if equipped).
- Check for faulty main (or PCM) relay.
- Check for faulty TP sensor.
- Check for faulty PCV system.
- Check for faulty CP sensor
- Check for faulty fuel pump relay
- Check for improper or worn camshaft.
- Check engine compression.
- Check for leaking cylinder head gasket
- Check fuel injectors drain down time and circuit
- Check for intake and exhaust manifold leaks.
- Check for contaminated fuel.
- Check for faulty A/T gear position circuit
- Check for faulty PGM-FI main relay (Oasis).