FixVault

Component Inspection

WARNING: This page is about a different car, the 2009 Nissan Maxima. However, it is still accessible from the selected car via links, so may be relevant.
  1. CHECK PCV VALVE

    With engine running at idle, remove PCV valve from rocker cover. A properly working valve makes a hissing noise as air passes via the it. A strong vacuum should be felt immediately when a finger is placed over valve inlet.

    Is the inspection result normal? 

    YES: INSPECTION END

    NO: Replace PCV valve.

    Fig 1: Checking PCV Valve
    G05870002Courtesy of NISSAN MOTOR CO., U.S.A.