Check & Cut Valve (B2200, B2600i, MPV, MX-3, Protege & 323)

1. Remove check and cut valve. Connect pressure gauge with "T" fitting to check and cut valve nipple leading to fuel tank. Cap opposite nipple. See Fig 1 .
2. Blow air through port "A". On MX-3, Protege and 323, valve should open when pressure gauge indicates 0.92-1.20 psi (.065-.085 kg/cm² ). On all other models, valve should open when pressure gauge reads 0.78-1.00 psi (.06-.07 kg/cm² ). Remove "T" fitting and pressure gauge. Connect "T" fitting to bottom of valve. Blow air through port "B". When pressure gauge reads .14-.71 psi (.01-.05 kg/cm² ), valve should open. Replace cut and check valve as necessary.

Fig 1: Testing Check & Cut Valve

Courtesy of MAZDA MOTORS CORP.