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PCV Valve Inspection

  1. Remove the engine cover (see step 2 on REMOVAL ).
  2. Check the PCV valve (A), the hoses (B), and the connections for leaks or restrictions.
    Fig 1: Checking PCV Valve, Hoses And Connections
    G07354037Courtesy of AMERICAN HONDA MOTOR CO., INC.
  3. At idle, listen to the PCV valve (A) with a stethoscope as you lightly pinch the PCV hose (B) with your fingers or pliers several times. Each time the hose is pinched, the valve should click.

    If there is no clicking sound, check the PCV valve grommet for cracks or damage. If the grommet is OK, replace the PCV valve (see PCV VALVE INSPECTION ) and recheck.

Fig 2: Checking PCV Valve Grommet
G07354038Courtesy of AMERICAN HONDA MOTOR CO., INC.
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