Engine Control System/Fuel System
Auxiliary Fuel Level Sensor Repair Procedures
In this manual: Engine Control System/Fuel System
9steps
~54min
2/5difficulty
Done 0 of 9
Removal
- Release the fuel line residual pressure. (Refer to Fuel System - "Release Fuel Line Residual Pressure")
- Fold down the rear seat cushion.
- Remove the fuel pump service cover (A) after loosening the screws.

- Disconnect the auxiliary fuel level sensor connector (A).
- Remove the auxiliary fuel level sensor (B) from the fuel tank by removing the mounting bolts.


Installation
- 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
- Turn the ignition switch OFF and disconnect the negative (-) battery cable.
- Remove the auxiliary fuel level sensor.
- 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 - 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.
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