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How To Replace Your Car's PCV Valve (And Why You Might Want To Every 4-5 Years)
According to J.D. Power, the PCV valve has been a part of just about every car engine since 1961, and it helps control emissions. As with any part, the PCV valve wears out, and since it's exposed ...
Cars8y
PCV Valve
Separating the crankcase from the intake manifold, which is a source of varying air pressure, the PCV valve maintains the optimal level of vacuum in the crankcase to extract the products of blow ...