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What is a PCV valve?

April 26, 2017pcv valve

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What is a PCV valve?

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This is a Positive Crankcase Ventilation valve. This vital part re-circulates vapors formed inside the engine. The engine then re-burns the vapor, reducing pollutants in the environment. An equally important function of the PCV valve is that it prevents sludge and deposits from building up in the engine. A clogged PCV valve will dramatically shorten an engine’s life. Most PCV valves need replacing at 50,000 mile intervals; replacing your PCV valve is an inexpensive way to prolong your engine’s life.