Remove the PCV valve from its grommet. With the engine off, shake the valve. If it’s good, you’ll hear a solid clicking sound. The post How To Test and Replace the PCV Valve on Your Car ...

Although some maintenance schedules include an interval for replacing the positive crankcase ventilation, or PCV, valve, others may not. In the latter case, a general recommendation is to replace ...

If your vehicle is exhibiting any of the hallmark signs of a failed PCV valve—which we’ve detailed below—or has failed the smog test you need to renew your ownership, read on for our list of ...

One such vital part that helps deal with gas that finds its way into the crankcase is the PCV valve — or positive crankcase ventilation. According to J.D. Power, the PCV valve has been a part ...

The PCV valve acts as both a check valve and flow-limiting device to keep things going only in one direction and with the right intensity to avoid over-scavenging the crankcase, which could ...