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Home >> Subaru >> 2010 >> Legacy Premium, Standard >> Repair and Diagnosis >> External Pages >> Different variant/trim >> Section 6 (Fuel Injection System - Fuel Injection (Fuel Systems) (H4DOTC - 2.5L DOHC Turbo)) >> Fuel Level Sensor >> Inspection

Fuel Level Sensor: Inspection

WARNING: This page is about a different variant/trim than selected.
  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.
    Fig 1: Measuring Fuel Level Sensor Float Position
    G06648997Courtesy of SUBARU OF AMERICA, INC.
    FLOAT POSITION CHART

    Float position Standard
    FULL to Fuel tank seating surface (A) 126.4 ± 4 mm (4.976 ± 0.157 in)
    EMPTY to Fuel tank seating surface (B) 11.0 ± 4 mm (0.433 ± 0.157 in)
  3. Measure the resistance between fuel level sensor terminals.
    Fig 2: Measuring Resistance Between Fuel Level Sensor Terminals
    G06648998Courtesy of SUBARU OF AMERICA, INC.
    RESISTANCE REFERENCE CHART

    Float position Terminal No. Standard
    FULL (A) 1 and 4 2.0 ± 1.0 Ω
    EMPTY (B) 31.9 ± 1.0 Ω
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