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 ...
Gadget Review on MSN
This $20 Part is Destroying Modern Engines (And Yours is Probably Next)
A $20 PCV valve failure can cause catastrophic engine damage costing thousands, but simple preventive maintenance every 60,000 miles protects your car.
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