Operation CHARM: Car repair manuals for everyone.

Idle Speed: Testing and Inspection





1. Start the engine. Hold the engine at 3,000 rpm with no load (A/T in (N) or (P) position, M/T in neutral) until the radiator fan comes on, then let it idle.
2. Connect a tachometer to the test tachometer connector.

Idle Speed (rpm):
M/T 800 ± 50 in Neutral
A/T 780 ± 50 in Neutral or Park


NOTE: All electrical systems are turned OFF.

3. Adjust the idle speed if necessary.