PCV Valve Inspection

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Remove the engine cover (see step 7 on ENGINE REMOVAL ).
Check the PCV valve (A), the hoses (B), and the 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 collar and O-rings for cracks or damage. If they are OK, replace the PCV valve (see PCV VALVE REPLACEMENT ), and recheck.

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