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Home >> Buick >> 2001 >> Century Limited >> Repair and Diagnosis (Single Page) >> Engine Performance >> Engine Adjustments >> Idle Speed & Mixture >> Idle Speed (V6) >> 3.5L (Aurora & Intrigue)

3.5L (Aurora & Intrigue)

Turn ignition on with engine off. Turn ignition off for 5 seconds. Start engine and run until normal operating temperature is reached. PCM will now properly control idle speed.