POSITIVE CRANKCASE VENTILATION (PCV) VALVE [WITHOUT CYLINDER DEACTIVATION (SKYACTIV-G 2.0, SKYACTIV-G 2.5)]

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Purpose, Function

• Prevents release of blow-by gas (unburnt gas) into the atmosphere.

• The PCV valve is open/closed by the intake manifold vacuum.

Construction

• The PCV valve is installed to the oil separator.

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• The PCV valve consists of a spring and valve.

SKYACTIV-G 2.0

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SKYACTIV-G 2.5

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Operation

• When the valve is pulled by the intake manifold vacuum, blow-by gas flows to the intake manifold.

SKYACTIV-G 2.0

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SKYACTIV-G 2.5

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• Blow-by gas flow amount is adjusted by the spring according to the intake manifold vacuum.