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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Dechoke Control System





1. Verify that the engine will not start and no operational sound of primary injector with a screwdriver or a stethoscope when cranked at normal speed with the throttle wide open throttle.




2. If the engine starts, and operational sound of primary injector is heard, inspect the throttle position sensor and the Engine Control Module terminal 1 C voltage.