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Home >> Infiniti >> 1999 >> Q45 Base >> Repair and Diagnosis >> External Pages >> Different car >> Section 6 (Engine Controls - System & Component Testing) >> Emission Systems & Sub-Systems >> PCV Valve
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PCV Valve

WARNING: This page is about a different car, the 2000 Infiniti Q45 and 2000 Infiniti G20. However, it is still accessible from the selected car via links, so may be relevant.

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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