CJ-7 L4-150 2.5L VIN U 1-bbl (1983)
Idle Speed: Adjustments
Idle Speed Adjustment
The midpoint of the ranges given is the preferred setting.
1982-90:
On all models disconnect decel valve and canister purge hoses. Do not allow vehicle to idle for more than three minutes.
4 cyl. 2V eng.: With A/C, adjust idle speed to specification, turn A/C on and adjust idle speed-up to specification. Without A/C, adjust idle speed to
specification, disconnect solenoid electrical lead and set idle shutdown speed.
To set fast idle, disconnect and plug EGR vacuum hose.
Preferred setting is the midpoint of range given.
