PCV Valve Inspection

Check the PCV valve (A), the hoses (B), and connections for leaks or restrictions

Fig 1: Identifying PCV Valve And Hoses
Courtesy of AMERICAN HONDA MOTOR CO., INC.
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 and recheck

Fig 2: Identifying PCV Valve And PCV Hose
Courtesy of AMERICAN HONDA MOTOR CO., INC.