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Home >> Mazda >> 2005 >> MX-5 Miata Base, Standard >> Repair and Diagnosis >> Engine Performance >> Fuel Delivery >> Fuel System >> NONRETURN Valve Inspection
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NONRETURN Valve Inspection

  1. Remove the nonreturn valve. (See FUEL TANK REMOVAL/INSTALLATION (+)
  2. Verify that the nonreturn valve operates under its own weight.
    • If the valve does not operate, replace the nonreturn valve.
    Fig 1: Removing Nonreturn Valve
    G03637822Courtesy of MAZDA MOTORS CORP.
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