Engine Control System/Fuel System

Auxiliary Fuel Level Sensor Repair Procedures

9steps
~54min
2/5difficulty
010203040502.92N·mlb·ft
Tightening torque found on this page
Done 0 of 9

Removal

  1. Release the fuel line residual pressure. (Refer to Fuel System - "Release Fuel Line Residual Pressure")
  2. Fold down the rear seat cushion.
  3. Remove the fuel pump service cover (A) after loosening the screws.
  4. Disconnect the auxiliary fuel level sensor connector (A).
  5. Remove the auxiliary fuel level sensor (B) from the fuel tank by removing the mounting bolts.

Installation

  1. To install, perform the removal procedure in reverse order. Auxiliary fuel level sensor bolt: 2.0 ~ 2.9 N·m
    When installing the auxiliary fuel level sensor, be careful not to twist the O-ring.

Inspection

  1. Turn the ignition switch OFF and disconnect the negative (-) battery cable.
  2. Remove the auxiliary fuel level sensor.
  3. Using an ohmmeter, measure the resistance between terminals 1 and 2 of the sender connector (A) at both the highest (H) and lowest (L) float levels.
    Pin No. Description
    1 Fuel Level Sensor Signal
    2 Fuel Level Sensor Ground
  4. Make sure the resistance is within specification.
    Position Resistance (Ω) Capacity (?)
    1/2 104 ~ 106 38
    H 3 ~ 5 73

Test yourself

A quick Hyundai Genesis DH quiz: every answer comes with an explanation and a link to the manual page.