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The PCV (Positive Crankcase Ventilation) valve on a 2001 Buick LeSabre with a 3.8-liter engine is located on the valve cover. Specifically, it is found on the driver's side, near the rear of the engine. You may need to remove the engine cover for better access, and the valve is typically held in place by a grommet or a clip.

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2w ago

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