PCV 2 - PCV System Check
^ Start engine and bring to normal operating temperature.^ Disconnect hose from remote air cleaner or air outlet tube (tube connecting mass air meter and throttle body).
^ Place a stiff piece of paper over the hose end. Wait one minute.
^ Does vacuum hold the paper in place?
YES -- System is OK. Reconnect hose.
NO -- System is plugged or evaporative emission valve is leaking. Go to PCV3. PCV 3 - Evaporative Emission System Check