my Volkswagen Tiguan's fuel gauge is not working what's the problem

Solution

1. Preparation

• Gather necessary tools and parts.
• Disconnect the negative terminal of the battery to prevent electrical shorts.
• Ensure the vehicle is parked on a level surface.

2. Access Fuel Level Sensor

• Remove the rear seat or access panel (if applicable) to reach the fuel pump assembly.
• Use a socket set to remove the retaining bolts securing the fuel pump access cover.
• Carefully lift the cover and disconnect the wiring harness for the fuel pump and sensor.

3. Inspect and Replace Fuel Level Sensor

• Remove the fuel pump assembly from the tank by carefully twisting it out of the tank opening.
• Inspect the fuel level sensor for damage or debris; clean if necessary.
• If defective, replace the fuel level sensor with a new unit. Ensure the new sensor has the same specifications as the original.
• Reinstall the fuel pump assembly into the tank, ensuring it is properly seated and secured.

4. Reassemble Components

• Reconnect the wiring harness to the fuel pump and sensor.
• Replace the access cover and secure it with the retaining bolts.
• Reinstall the rear seat or access panel.

5. Final Checks

• Reconnect the negative terminal of the battery.
• Start the vehicle and check the fuel gauge operation.