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Check & Cut Valve

WARNING: This page is about a different car, the 1995 Mazda MPV. However, it is still accessible from the selected car via links, so may be relevant.
  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". 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
G95C32534Courtesy of MAZDA MOTORS CORP.
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