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 ...

Before the PCV valve was invented, engines would use ‘downdraft’ or ‘road-draft’ tubes to ventilate the crankcase. As the ...

Because the PCV valve is a common component in many vehicles, it’s also a frequent failure point and cause of poor-running engines and other problems. Thankfully, in most vehicles, replacing the ...

The car is great up until 30000 miles, where the PCV valve caused excessive pressure ... This wasn't the vehicle I'd gone to the lot to see... But it was parked 2 vehicles down, and the price ...