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 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.