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

Frequent Stalling During Engine Warm-Up


1. Open or shorted fuel injector circuit.
2. Stuck fuel injector.
3. Defective fuel pump main relay.
4. Poor fuel pump ground.
5. Incorrect fuel line pressure.
6. Clogged fuel filter.
7. Stuck air bypass valve in fast idle mechanism.
8. Open or shorted manifold air pressure sensor circuit.
9. Broken or disconnected manifold air pressure sensor hose.
10. Defective manifold air pressure sensor.
11. Open or shorted coolant temperature sensor circuit.
12. Defective coolant temperature sensor.
13. Open or shorted intake air temperature sensor circuit.
14. Defective intake air temperature sensor.
15. Defective EGR control system.