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

Usually Hard to Start

HARD TO START / USUALLY

Check in the order shown
1. Fuel quality.
2. Spark plugs.
3. Idle speed control motor.
4. Engine coolant temperature sensor circuit.
5. Exhaust gas recirculation system.
6. Fuel pressure regulator.
7. Fuel pump.
8. Fuel lines.
9. Compression.
10. Piston rings.
11. Ignition timing.
12. Ignition circuit.
13. Intake air temperature sensor circuit.
14. Injectors.
15. Engine control module.