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Home >> Jeep >> 1998 >> Cherokee 4WD L6-4.0L VIN S >> Repair and Diagnosis >> Powertrain Management >> Tune-up and Engine Performance Checks >> Idle Speed >> Specifications
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Idle Speed: Specifications

Idle 500 to 900 rpm

Idle speed is controlled by the Powertrain Control Module (PCM) through the Idle Air Control (IAC) Motor, and is not adjustable.

CAUTION: This vehicle is equipped with a factory adjuste4d throttle plate position set screw. Never attempt to adjust idle speed using this screw, unless directed to do so in a service procedure.


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