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PCV Valve Related Symptoms and Problems

Positive Crankcase Understanding History of the PCV – Positive Crankcase Ventilation valve: Before the 1960s car engines were vented to the atmosphere. That is, toxic vapors that were created by exhaust gasses leaking past the rings (called “blow-by”) and into the crankcase were simply allowed to flow out of the engine. PVC was, usually, accomplished by […]