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Home >> Infiniti >> 2000 >> Q45 Base >> Repair and Diagnosis >> Engine Performance >> System >> Engine Controls - System & Component Testing >> Emission Systems & Sub-Systems >> PCV Valve

PCV Valve

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With engine idling, remove PCV valve, leaving vacuum hose connected. A hissing noise should be heard as air passes through valve. A strong vacuum should be felt immediately when a finger is placed over valve inlet. If operation is not as specified, replace PCV valve.

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