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

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Fast Idle

Idle Speed Adjustment Location:





1. Set the parking brake and block the drive wheels
2. Engine must be at normal operating temperature with the air cleaner on and all accessories turned off
3. Install J 26925 Tachometer or equivalent
4. Remove the connector from the fast idle solenoid
5. Connect an insulated jumper wire from the battery positive (+) terminal to the solenoid terminal. This will energize the solenoid
6. Open the throttle momentarily to energize and fully extend the fast idle solenoid plunger
7. Adjust the extended plunger by turning the hex head to obtain the fast idle speed shown on the emission control information label
8. Remove the jumper wire and install the connector to the fast idle solenoid