Volkswagen Golf Seventh Generation (2013-2020) fuel gauge not working how to fix it

Solution

1. Preparation

• Gather necessary tools and parts.
• Disconnect the vehicle battery to ensure safety.
• Allow the vehicle to cool down before beginning work.

2. Access the Fuel Sender Unit

• Tools Required: Socket set, screwdrivers.
• Remove the rear seat or access panel to reach the fuel tank.
• Carefully disconnect any electrical connectors and fuel lines attached to the fuel sender unit.
• Remove the retaining ring or screws holding the fuel sender unit in place.

3. Inspect and Test the Fuel Sender Unit

• Carefully lift out the fuel sender unit from the tank.
• Sub-steps:
  • Check for any physical damage or corrosion on the sender unit.
  • Use a multimeter to measure resistance across the sender unit terminals while moving the float arm to check for smooth operation.
• If the resistance is not within specification, replace the fuel sender unit.

4. Reinstall the Fuel Sender Unit

• Ensure the fuel sender unit is clean and free of debris.
• Sub-steps:
  • Place the fuel sender unit back into the tank.
  • Secure it with the retaining ring or screws.
  • Reconnect the electrical connectors and fuel lines.
• Ensure all connections are secure to prevent leaks.

5. Reconnect the Battery and Test

• Reconnect the vehicle battery.
• Turn on the ignition and check the fuel gauge operation.
• If the gauge works correctly, reassemble any panels or seats removed during the repair.