Engine Will Not Start or Difficult Starting

1. Malfunctioning MPI system.
2. Malfunctioning fuel pump drive control system.
3. Malfunctioning ignition control system.
4. No power supply to ECU.
5. Disconnected or damaged vacuum hose.
6. Damaged control relay.
7. Malfunctioning injector.
8. Improper fuel pressure.
9. Damaged ECU.
10. Broken, shorted or improperly secured harness connector.