Engine Will Not Start or Difficult Starting

1. Malfunctioning fuel control system.
2. Malfunctioning ignition system.
3. Disconnected or damaged vacuum line.
4. No power supply to ECU.
5. Damaged control relay.
6. Malfunctioning ECI system.
7. Malfunctioning idle switch.
8. Malfunctioning injector.
9. Open resistor.
10. Improper fuel pressure.
11. Damaged ECU.
12. Broken, shorted or improperly secured harness connector.