Fuel Level Sensor: Service and Repair

1999 Chevrolet Lumina V6-3.8L VIN KSECTION Service and Repair





Fuel Level Sensor Replacement

REMOVAL PROCEDURE
1. Relieve fuel system pressure. Refer to Fuel Pressure Relief Procedure.
2. Raise the vehicle. Go to Vehicle Lifting in Service Precautions.
3. Remove the modular fuel sender assembly.
4. Remove the fuel level sensor (5) from the modular fuel sender.

INSTALLATION PROCEDURE
1. Install the fuel level sensor (5) to modular fuel sender.
2. Reinstall the fuel sender assembly.
3. Lower the vehicle.
4. Tighten the fuel fill cap.
5. Reconnect the negative battery cable.
6. Inspect for fuel leaks.
6.1. Turn the ignition switch ON for 2 seconds.
6.2. Turn the ignition switch OFF for 10 seconds.
6.3. Turn the ignition switch ON.
6.4. Check for fuel leaks.
7. Reinstall the fuel injection sight shield.
RENDER: 1.0x

NO RELATED

Recommended Tools & Savings

Use the Manual With the Right Hardware

Pair factory procedures with proven DIY tools so the instructions are easier to execute.

Affiliate disclosure: We may earn a commission at no extra cost to you.

When to See a Mechanic

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

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