If not functioning properly, the PCV valve can lead to numerous drivability and emissions issues, but what is the meaning of ...

The work is almost done when the technician comes out to talk to you. Hes holding your air filter and PCV valve and recommending that you replace both because they look dirty. Without missing a ...

One of the most common components in an engine’s emissions control system is the positive crankcase ventilation valve, or PCV valve. Its job is to allow the air and fuel vapor that gets past ...

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 ...