Fuel Level Sensor: Inspection

2022 Subaru Impreza Base, 4D Sedan, Automatic CVT TransSECTION Inspection
WARNING: This page is about a different car, the 2022 Subaru Crosstrek. However, it is still accessible from the selected car via links, so may be relevant.
  1. Check that the fuel level sensor has no damage.
  2. Measure the fuel level sensor float position.
    NOTE:

    When inspecting the fuel level sensor, perform the work with the sensor installed to the fuel pump.Β 

    G13934329Courtesy of SUBARU OF AMERICA, INC.
    Float position Standard
    FULL - Fuel tank seating surface H1 205.9Β±5.0 mm (8.106Β±0.197 in)
    EMPTY - Fuel tank seating surface H2 20.9Β±5.0 mm (0.823Β±0.197 in)
  3. Check the resistance between fuel level sensor terminals by the connector on top of the fuel pump.
G13231033Courtesy of SUBARU OF AMERICA, INC.
Float position Terminal No. Standard
FULL (A) 1 and 4 17.4Β±2.0 Ξ©
EMPTY (B) 410.0Β±4.5 Ξ©
RENDER: 1.0x

NO RELATED

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When to See a Mechanic

Stop DIY work and contact a certified mechanic immediately if any of the following apply:

  • β€’ You smell fuel, burning insulation, or see smoke.
  • β€’ Brakes feel soft, pull hard to one side, or make grinding noises.
  • β€’ The engine overheats, stalls repeatedly, or misfires under load.
  • β€’ You are missing required tools, torque specs, or safe lifting equipment.
  • β€’ You are not confident in the next step or safety outcome.