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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Without Computer Control

NOTE: The midpoint of the ranges given is the preferred setting.

NOTE: Disconnect decel valve and canister purge hoses. Do not allow vehicle to idle for more than three minutes.

- Adjust idle speed with solenoid fully extended. Electrically disconnect the solenoid and set shutdown speed to specification.
- To set fast idle, disconnect and plug EGR vacuum hose.