Positive Crankcase Ventilation—three dirty words, but do they really need to be perceived that way? In general, the PCV system has two main functions: vapor relief and liquid separation. PCV systems ...

As a car owner, you may wonder what a PCV valve is, considering it is a part of your car engine you are not aware of. Your car’s engine is the lifeline of your car and has to be in its best shape ...

Every engine has some sort of crankcase breathing system. The internal combustion process creates pressure, some of which makes its way past the piston rings-along with fuel vapors-and into the rest ...