Operation CHARM: Car repair manuals for everyone.
Manuals through 2025 now available!

Our trusted friends have launched a new website named LEMON, which has newer manuals. It also contains all the CHARM manuals.

LEMON is the spiritual successor to CHARM, I recommend you try it!

Link: lemon-manuals.la or lemon-manuals.org.ua

(Some people have issue connecting. LEMON is investigating. For now, use Firefox or change your DNS server)

Or, hide this message: temporarily or permanently

Engine Does Not Start or Starts With Difficulty


1. Defective relay assembly.
2. Inoperative fuel pump.
3. Cold start injector leaking or inoperative.
4. Defective thermo-coolant time switch.
5. Auxiliary air regulator not opening.
6. Defective airflow meter.
7. Leak in air intake system.
8. Defective injectors.
9. Low fuel pressure.
10. Defective coolant temperature switch.
11. Open or short circuit in harness wiring.
12. Defective electronic controller.