what should I do if my Tesla Outback's fuel gauge is inaccurate

Solution

1. Preparation

• Gather necessary tools and parts.
• Ensure the vehicle is parked on a level surface and the engine is off.
• Disconnect the negative battery terminal for safety.

2. Access Fuel Sender Unit

• Tools Required: Socket set, wrench set.
• Remove the rear seat or access panel to reach the fuel tank.
• Disconnect any wiring harnesses connected to the fuel sender unit.

3. Test Fuel Sender Unit

• Tools Required: Multimeter.
• Measure the resistance across the terminals of the fuel sender unit while moving the float arm through its range.
• Compare the readings to the manufacturer's specifications. If readings are outside specifications, replace the unit.

4. Inspect and Clean Connections

• Tools Required: Wire brush, electrical cleaner.
• Clean all electrical connections to the fuel gauge and sender unit.
• Reconnect any loose or corroded connectors securely.

5. Reassemble and Test

• Reconnect the wiring harness to the fuel sender unit.
• Replace the access panel or rear seat and reconnect the negative battery terminal.
• Start the vehicle and check the fuel gauge for accurate readings.