Car Engine and Other Systems - Don't forget the PCV valve

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Car Engine and Other Systems - Don't forget the PCV valve

Car Engine and Other Systems - Don't forget the PCV valve

The PCV (positive crankcase ventilation) valve is an emissions control device on older cars - check your service manual to see if your car has one.The valve recirculates partially burned gases from the engine's crankcase to the combustion chamber. Important to a properly functioning engine, the valve should be changed every 30,000 miles (48,000 km) or as specified in your owner's manual. In addition to helping you get the most from a tank of gasoline, it helps to prevent the buildup of harmful sludge and corrosion.When replacing your PCV valve, be sure you use the correct one or you may damage your engine.

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