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Free to use workshop manual for your 2015+ Mk4 'ND' Mazda MX-5
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POSITIVE CRANKCASE VENTILATION (PCV) SYSTEM [SKYACTIV-G 2.0]

Purpose, Outline

  • The positive crankcase ventilation system prevents release of blow-by gas (unburnt gas, combustion products) into the atmosphere.

  • The intake manifold vacuum introduces blow-by gas to the intake manifold via the PCV valve, PCV hose, or ventilation hose.

System Diagram

Structure

  • The positive crankcase ventilation system consists of the following parts:

Part name

Reference

PCV valve

(See POSITIVE CRANKCASE VENTILATION (PCV) VALVE [SKYACTIV-G 2.0].)

PCV hose

―

Ventilation hose

―
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Free to use workshop manual for your 2015+ Mk4 'ND' Mazda MX-5

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