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Home >> Mazda >> 2007 >> 6 i, 4D Hatchback, Automatic >> Repair and Diagnosis >> Engine Performance >> Fuel Delivery >> Fuel System (L3, AJ) >> Non-Return Valve Inspection

Non-Return Valve Inspection

  1. Remove the non-return valve. See FUEL TANK REMOVAL/INSTALLATION .
  2. Verify that the non-return valve opens up to 90°  when it is pushed from the fuel-filler pipe side, and it returns to the normal position by the spring force.
    • If the non-return valve does not open up to 90°  or does not return to the normal position, replace the non-return valve.
      Fig 1: Removing Non-Return Valve
      G04324791Courtesy of MAZDA MOTORS CORP.
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