EV 7 - Check Rollover/Vent Valve Function

^ Check the rollover/vent valve for evidence of leakage.

^ Remove the rollover/vent valve.

Rollover Vent Valve.:

^ Hold the valve as shown.

^ Blow into port A and verify that air flows through the rollover/vent valve.

^ Invert the valve.

^ Blow into port A and verify that air does not flow through the rollover/vent valve.

^ Does the valve function properly?

YES -- Evaporative emission system is functioning properly.

NO -- Replace the rollover/vent valve.