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)

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Cold Engine

DIFFICULT TO START; COLD ENGINE

When the malfunction code is not confirmed in the diagnostic trouble code check and the problem still cannot be confirmed in the basic inspection, then proceed to this step and perform troubleshooting according to the numbered order given below.

1. Starter Signal Circuit
2. Idle Air Control Valve Circuit
3. Fuel Pump Control Circuit
4. Injector Circuit
5. Ignition Coil
6. Distributor
7. Spark Plug