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Home >> Mazda >> 1995 >> 626 L4-1991cc 2.0L DOHC >> Repair and Diagnosis >> Powertrain Management >> Computers and Control Systems >> Description and Operation >> Sub-System Descriptions >> Automatic Trans. >> PCV System
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PCV System

PCV System:




DESCRIPTION
The Positive Crankcase Ventilation (PCV) System cycles crankcase gases back through the engine where they one burned. The PCV valve regulates the amount of ventilating air and blow-by gas to [1][2]intake manifold and prevents backfire from traveling into the crankcase.