FREE REPAIR MANUALS & LABOR GUIDES 1982-2013 Vehicles
Courtesy of Operation CHARM: Car repair manuals for everyone.

Over 8500 GVW, Minimum Idle Air Rate

Over 8500 GVW, Minimum Idle Air Rate
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Engine Speed
Note: If the engine has less than 500 miles or is checked at altitudes above 1500 feet, the idle rpm with a seated IAC valve should be lower than the values above. Let engine idle until proper fuel control status is closed loop.
Manual Transmission Neutral 550 +/- 25
Auto Transmission Drive 450 +/- 25