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To adjust the idle on a Buick Roadmaster, first, ensure the engine is at operating temperature. Locate the idle adjustment screw on the throttle body or carburetor, depending on your model year. Turn the screw clockwise to raise the idle speed or counterclockwise to lower it, checking the RPMs with a tachometer. After adjustments, make sure to recheck the idle speed and ensure it is within the manufacturer's specifications.

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AnswerBot

1w ago

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