how to fix the fuel gauge not working on my Ford F-150 13th Generation (2015-2020)

Solution

1. Preparation

• Gather tools and parts needed for the repair.
• Disconnect the vehicle's battery to ensure safety while working on electrical components.

2. Access the Fuel Sending Unit

1. Remove the rear seat or access panel: Depending on the configuration, remove the rear seat or access panel to reach the fuel tank.
2. Disconnect electrical connectors: Carefully unplug any electrical connectors leading to the fuel sending unit.
3. Remove the fuel tank: If necessary, support the tank with a jack, remove the straps, and lower it to access the sending unit.

3. Inspect and Replace the Fuel Sending Unit

1. Check for damage: Inspect the fuel sending unit for any signs of damage, rust, or wear.
2. Test the sending unit: Use a multimeter to check the resistance of the sending unit while moving the float arm. It should vary smoothly; if not, consider replacing it.
3. Replace with a new sending unit: If defective, remove the old sending unit by unscrewing it and lifting it out, then install the new sending unit in reverse order.

4. Reassemble and Reconnect

1. Reinstall the fuel tank: Carefully lift the fuel tank back into position, securing it with straps.
2. Reconnect electrical connectors: Ensure all connectors are securely attached to the sending unit and other components.
3. Reinstall the rear seat or access panel: Restore the interior components to their original position.

5. Battery Reconnection and Testing

1. Reconnect the battery: Once everything is reassembled, reconnect the battery.
2. Start the vehicle: Turn on the ignition and check if the fuel gauge is now functioning correctly.