Positive Crankcase Ventilation (PCV): Also known as a PCV valve. These became common around 1967. Simply put, it’s a one-way valve that keeps engine ‘blow-by’ gases from entering the outside air. All engines, no matter how new or how efficient they are, allow some unburnt gases past the piston rings and into the oil pan. […]
Continue reading…
Posts tagged with 'positive crankcase ventilation'
Pollution Control Devices Explained
Pollution Controls Decoded Related Pages: Positive Crankcase Ventilation Catalytic Converter Exhaust Gas Recirculation Air Injection Reaction Thermostatic Air Cleaner pollution control of the smog-era
Continue reading…