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

Difficult to Restart Engine When Hot


1. Defective ECU.
2. Vapor lock in fuel line or fuel injector.
3. Defective fuel pump main relay.
4. Poor fuel pump ground.
5. Open or shorted crank angle sensor circuit.
6. Defective crank angle sensor.
7. Defective EGR control system.
8. Defective ECU.