Check & Cut Valve

WARNING: This page is about a different car, the 1995 Mazda MX-3. However, it is still accessible from the selected car via links, so may be relevant.

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 .
Blow air through port "A". Valve should open when pressure gauge indicates 0.92-1.20 psi (.065-.085 kg/cm² ).

Fig 1: Testing Check & Cut Valve

Courtesy of MAZDA MOTORS CORP.