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Home >> Subaru >> 2021 >> WRX STI >> Repair and Diagnosis >> Engine Performance >> Engine Control Systems >> Fuel Injection System (2.5L) >> Fuel Sub Level Sensor >> Removal
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Fuel Sub Level Sensor: Removal

WARNING: Place "NO OPEN FLAMES" signs near the working area.
CAUTION:
  • Be careful not to spill fuel.
  • Catch the fuel from the tubes using a container or cloth.
  • If the fuel gauge indicates that two thirds or more of the fuel is remaining, be sure to drain fuel before starting work to avoid the fuel to spill.
  1. Release the fuel pressure. Refer to FUEL INJECTION (FUEL SYSTEMS) (STI)>FUEL>PROCEDURE>RELEASING OF FUEL PRESSURE .
  2. Drain fuel. Refer to FUEL INJECTION (FUEL SYSTEMS) (STI)>FUEL>PROCEDURE>DRAINING FUEL (WITH SUBARU SELECT MONITOR) .
  3. Disconnect the ground cable from battery.
  4. Remove the rear seat cushion. Refer to SEATS>REAR SEAT>REMOVAL .
  5. Remove the service hole cover.
    G10264943Courtesy of SUBARU OF AMERICA, INC.
  6. Disconnect the connector from the fuel sub level sensor.
    G10264944Courtesy of SUBARU OF AMERICA, INC.
  7. Disconnect the quick connectors of fuel delivery tube (A), fuel return tube (B), and jet pump tube (C). Refer to FUEL INJECTION (FUEL SYSTEMS) (STI)>FUEL DELIVERY, RETURN AND EVAPORATION LINES>REMOVAL .
  8. Remove the rubber cap (D) from the nut.
    G12437430Courtesy of SUBARU OF AMERICA, INC.
  9. Remove the bolts and nuts which hold fuel sub level sensor protector and fuel sub level sensor upper plate to the fuel tank.
    G10264946Courtesy of SUBARU OF AMERICA, INC.
    G06648429Courtesy of SUBARU OF AMERICA, INC.
  10. Remove the fuel sub level sensor from the fuel tank.