Grand Caravan FWD V6-3.3L VIN 3 Flex Fuel (2002)
Positive Crankcase Ventilation Valve: Description and Operation
Fig. 7 PCV Valve 2.4L
Fig. 8 PCV Valve 3.3/3.8L
The PCV valve contains a spring loaded plunger. The plunger meters the amount of crankcase vapors routed into the combustion chamber based on
intake manifold vacuum.
Fig. 9 Engine Off Or Engine Backfire No Vapor Flow
