Rick's Free Auto Repair Advice

Posts Tagged: replace a PCV valve

Replace a PCV valve

What does a PCV valve do? Your engine uses a PCV valve to regulate the flow of harmful vapors from the crankcase and direct them into the intake manifold where they can be burned. The PCV valve is a wear item and you have to replace a PCV valve at specified intervals. The Positive Crankcase Ventilation (PCV) system in auto engines is designed to remove harmful vapors from the crankcase and prevent them from venting to the atmosphere. One end of the PCV valve is attached to the engine and … Read More


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