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Home >> Mazda >> 2002 >> Tribute LX, 4WD >> Repair and Diagnosis >> External Pages >> Different car >> Section 439 (Fuel System) >> NONRETURN Valve Inspection

NONRETURN Valve Inspection

WARNING: This page is about a different car, the 2005 Mazda RX-8. However, it is still accessible from the selected car via links, so may be relevant.
  1. Remove the fuel pump. (See FUEL PUMP UNIT REMOVAL/INSTALLATION .)
    NOTE:
    • The nonreturn valve cannot be removed as it is built into the fuel tank.
    • The nonreturn valve is normally closed due to spring force.
  2. Verify that the nonreturn valve opens/closes through the fuel pump installation hole.
    • If it does not open/close or return to the normal position, replace the fuel tank.
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