F 450 2WD Super Duty V10-6.8L VIN S (1999)
Positive Crankcase Ventilation Valve: Description and Operation
All engines are equipped with a Positive Crankcase Ventilation (PCV) system. The function of the PCV system is to circulate blow-by gases from the
engine crankcase to the engine intake.
The PCV system consists of:
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PCV valve
^
ventilation hose
