how to fix Ford Explorer Sixth Generation (2020-present) fuel gauge not working

Ford Explorer Sixth Generation (2020-present)

Error Codes

2-4 hours

Time

medium

Difficulty

medium

Severity

3 min read

567 words

Problem Statement

Learn how to diagnose and fix fuel gauge issues in Ford Explorer Sixth Generation (2020-present). Step-by-step guide with diagnostic procedures and repair instructions.

Affected Component

Fuel System

Estimated Time

2-4 hours

⚠️ Safety Warnings

Important safety information - read before proceeding

•Disconnect the battery before working on electrical systems.
•Allow the fuel system to depressurize before disconnecting fuel lines.

Symptoms

•Fuel gauge shows empty despite having fuel in the tank
•Intermittent or fluctuating fuel gauge readings
•Check engine light illuminated
•Fuel warning light not functioning
•Difficulty in estimating fuel range

Diagnostic Steps

1
Scan the vehicle's OBD-II system for error codes using an OBD-II scanner.
2
Inspect the fuel level sending unit in the fuel tank for damage or corrosion.
3
Check the wiring and connectors between the fuel level sending unit and the instrument cluster.
4
Measure the resistance of the fuel level sending unit with a multimeter to ensure it is within specifications.
5
Verify the functionality of the instrument cluster by checking other gauges and warning lights.
6
Inspect the fuel pump assembly for any issues that may affect the sending unit's operation.

Solution

💡 Expert Tip

For complex repairs like this, consider taking photos at each step. This helps if you need to reverse a step or consult with a mechanic. Also, keep all removed parts organized - you may need to reference them during reassembly.

Verification

After completing the repair, verify that the issue has been resolved:

✓Test the affected component to ensure it functions correctly
✓Check for any error codes or warning lights
✓Monitor the vehicle for a few days to ensure the issue does not recur

Prevention Tips

To prevent this issue from occurring again:

•Follow the manufacturer's recommended maintenance schedule
•Address warning signs early before they develop into major issues
•Use quality parts and fluids recommended for your vehicle
•Keep detailed records of all repairs and maintenance

Tools & Equipment Required

•OBD-II scanner
•Socket set
•Ratchet
•Screwdrivers
•Fuel line disconnect tool
•Multimeter

Parts Required

•Fuel level sending unit (if found faulty)
•Fuel filter (if applicable)

Related Faults

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Diagnostic Steps

1
Scan the vehicle's OBD-II system for error codes using an OBD-II scanner.
2
Inspect the fuel level sending unit in the fuel tank for damage or corrosion.
3
Check the wiring and connectors between the fuel level sending unit and the instrument cluster.
4
Measure the resistance of the fuel level sending unit with a multimeter to ensure it is within specifications.
5
Verify the functionality of the instrument cluster by checking other gauges and warning lights.
6
Inspect the fuel pump assembly for any issues that may affect the sending unit's operation.

Solution

1. Preparation

Gather necessary tools and parts.
Disconnect the vehicle's battery to prevent electrical shorts.
Ensure the vehicle is on a flat surface and properly supported.

2. Access the Fuel Level Sending Unit

Tools Required: Socket set, ratchet, screwdrivers, fuel line disconnect tool, multimeter.

Remove the rear seat or access panel as needed to reach the fuel tank.
Disconnect the fuel lines using the fuel line disconnect tool, and cover openings to prevent fuel spillage.
Remove the retaining bolts or screws securing the fuel pump assembly to the fuel tank.

3. Inspect and Test the Fuel Level Sending Unit

Carefully lift the fuel pump assembly out of the tank.
Inspect the fuel level sending unit for any signs of damage or corrosion.
Use a multimeter to measure the resistance across the terminals of the sending unit while moving the float arm. Compare readings to manufacturer specifications.
If the sending unit is faulty, proceed to replace it.

4. Replace the Fuel Level Sending Unit (if necessary)

Remove the old sending unit from the fuel pump assembly.
Install the new fuel level sending unit in the assembly and secure it.
Reinstall the fuel pump assembly into the tank and tighten all retaining bolts to the manufacturer’s torque specifications.

5. Reassemble and Reconnect

Reconnect the fuel lines and ensure they are properly secured.
Replace the access panel or rear seat.
Reconnect the vehicle's battery.