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

If you find oil in your intake manifold, it's not something that should be ignored, but what has caused it isn't always clear ...

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 ...

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 ...

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 ...