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Tank Pressure Control Valve

WARNING: This page is about a different car, the 1995 Mazda Protege. However, it is still accessible from the selected car via links, so may be relevant.
  1. Remove valve (located on top of fuel tank). Apply pressure to inlet port (on same side as electrical connector). At pressures less than .5 psi, air should not flow. At pressures greater than .9 psi, air should flow through valve.
  2. Using a vacuum pump, apply vacuum to inlet port. At vacuum greater than .3 in Hg. air should flow through valve.
Fig 1: Testing Check & Cut Valve
G95C32534Courtesy of MAZDA MOTORS CORP.
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