POSITIVE CRANKCASE VENTILATION (PCV) VALVE CONSTRUCTION/OPERATION [MZI-3.7]

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•  The PCV valve is installed on the cylinder head.
•  Consists of a O-ring, spring and valves.
•  The PCV valve ensures the passage of blowby gas by opening the valve according to the intake manifold vacuum, and adjusts the amount of gas by spring force.

With PCV valve heater

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Without PCV valve heater

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