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

Idle Speed Too Low

POOR IDLING / LOW IDLE SPEED

Check in the order shown
1. Engine coolant temperature sensor circuit.
2. Idle speed control motor.
3. Exhaust gas recirculation system.
4. Volume airflow meter circuit.
5. Injectors.
6. Engine control module.