PCV Valve Inspection

Remove intake manifold cover (see step 1 on IGNITION COIL REMOVAL/INSTALLATION ).
Check the PCV valve (A), hoses (B), and connections for leaks or restrictions.

Fig 1: Checking PCV Valve, Hoses, And Connections For Leaks Or Restrictions
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: Checking PCV Valve Grommet
Courtesy of AMERICAN HONDA MOTOR CO., INC.