Check & Cut Valve

Remove valve. Blow through valve from fuel tank port. Make sure air comes out of canister port. Block canister port. Air should exit vent port. Block canister port. Blow through vent port. If air exits fuel tank port, valve is functioning properly. See Fig 2 .

Fig 1: Location of Check and Cut Valve

Courtesy of MAZDA MOTORS CORP.

Fig 2: Testing Valve

Courtesy of MAZDA MOTORS CORP.