Choose Your (PCV) System Help Topic Below
So, The Positive Crankcase Ventilation system was developed to remove harmful vapors from the engine. As a result, Preventing those vapors from being expelled into the atmosphere. Consequently, The PCV system does this by using manifold vacuum to draw vapors from the crankcase into the intake manifold. Vapor is then carried with the fuel/air mixture into the combustion chambers where it is burned.
Furthermore, The flow or circulation within the system is controlled by the PCV Valve. The PCV Valve is effective as both a crankcase ventilation system and as a pollution control device. PCV systems have been standard equipment on all new cars since the early sixties. Prior to 1963 PCV was only used in California. There are a variety of PCV systems used on various makes and models, but all function essentially the same.
Finally, PCV systems can be described as either open or closed. But, The two systems are quite similar. However, the closed system in use since 1968 is more effective at air pollution control. Finally, The systems differ in the manner in which fresh air enters the crankcase and excessive vapor is expelled.
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