Minimum Idle Speed

NOTE: Minimum idle speed adjustment can only be performed on 7.4L engines. For minimum idle speed adjustment procedures, see ADJUSTMENTS article.

MINIMUM IDLE SPEED

Application

⁽¹⁾ RPM

Automatic Trans. ⁽²⁾

600-650

Manual Trans. ⁽³⁾

675-725

⁽¹⁾	Idle speed with seated IAC is lower than specified if engine has less than 500 miles or when checked at altitudes above 1500 feet.

⁽²⁾	Automatic transmission in Drive.

⁽³⁾	Manual transmission in Neutral.