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PCV Valve Inspection

WARNING: This page is about a different car, the 2008 Acura TSX, 2007 Acura TSX, 2006 Acura TSX, 2005 Acura TSX, and 2004 Acura TSX. However, it is still accessible from the selected car via links, so may be relevant.
  1. Check the PCV valve (A), hoses (B), and connections for leaks or restrictions.
    Fig 1: Identifying PCV Valve And Hoses
    G05490852Courtesy of AMERICAN HONDA MOTOR CO., INC.
  2. At idle, make sure there is a clicking sound from the PCV valve when the hose between the PCV valve and intake manifold is lightly pinched (A) with your fingers or pliers.

    If there is no clicking sound, check the PCV valve washer for cracks or damage. If the washer is OK, replace the PCV valve and recheck.

    Fig 2: Pinching Hose With Plier
    G05490853Courtesy of AMERICAN HONDA MOTOR CO., INC.
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