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Home >> Chevrolet >> 1997 >> Corvette Automatic >> Repair and Diagnosis >> Engine Performance >> Engine Adjustments >> Idle Speed & Mixture >> Idle Speed

Idle Speed

NOTE: Idle speed is controlled by PCM and is not adjustable. Slight fluctuations in idle speed are considered normal. Start and run engine for at least 7 minutes to establish PCM control of idle.
NOTE: Incorrect idle speeds are normally caused by dirty throttle plate or vacuum leaks. Ensure all vacuum components are functioning properly.
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