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Home >> Buick >> 2000 >> Regal LS >> Repair and Diagnosis >> Engine Performance >> Engine Adjustments >> Idle Speed & Mixture >> Idle Speed (4-Cylinder) >> Notes
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Idle Speed (4-Cylinder): Notes

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.