how to fix the fuel gauge not working in Ford Explorer Fifth Generation (2011-2019)

Ford Explorer Fifth Generation (2011-2019)

Error Codes

2-4 hours

Time

medium

Difficulty

medium

Severity

3 min read

556 words

Problem Statement

Learn how to diagnose and fix the fuel gauge not working in Ford Explorer Fifth Generation (2011-2019). Step-by-step guide with tools and safety tips.

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 engine to cool before opening the fuel system to prevent burns.

Symptoms

•Fuel gauge remains at empty despite tank being full
•Intermittent fuel gauge readings
•Check engine light may illuminate
•Unusual sounds from the fuel tank area
•Poor fuel economy due to overestimating fuel levels

Diagnostic Steps

1
Scan the vehicle's computer using an OBD-II scanner for any error codes related to the fuel system.
2
Inspect the fuel tank and connectors for any visible damage or loose connections.
3
Check the fuel pump operation by listening for sounds when the ignition is turned to the ON position.
4
Test the fuel level sending unit with a multimeter to ensure it is functioning within specifications.
5
Inspect the wiring harness and connectors between the fuel level sensor and the instrument cluster for any faults.
6
Verify the operation of the instrument cluster by checking other gauges for similar issues.

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
•Multimeter
•Socket set
•Fuel line disconnect tool
•Safety glasses
•Gloves

Parts Required

•Fuel level sending unit (if faulty)
•New O-ring or gasket (if applicable)

Related Faults

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Diagnostic Steps

1
Scan the vehicle's computer using an OBD-II scanner for any error codes related to the fuel system.
2
Inspect the fuel tank and connectors for any visible damage or loose connections.
3
Check the fuel pump operation by listening for sounds when the ignition is turned to the ON position.
4
Test the fuel level sending unit with a multimeter to ensure it is functioning within specifications.
5
Inspect the wiring harness and connectors between the fuel level sensor and the instrument cluster for any faults.
6
Verify the operation of the instrument cluster by checking other gauges for similar issues.

Solution

1. Preparation

Gather necessary tools and parts. Disconnect the vehicle battery to avoid electrical shorts.
Tools Required: OBD-II scanner, multimeter, socket set, fuel line disconnect tool, safety glasses, gloves.

2. Access the Fuel Level Sending Unit

Sub-step 1: Remove the rear seat or access panel to expose the fuel tank access cover.
Sub-step 2: Unscrew the access cover and disconnect any electrical connectors.
Sub-step 3: If necessary, drain the fuel tank to a manageable level for handling.

3. Remove and Inspect the Fuel Level Sending Unit

Sub-step 1: Use the fuel line disconnect tool to remove the fuel lines connected to the sending unit.
Sub-step 2: Unscrew the retaining ring holding the sending unit in place and carefully lift it out of the tank.
Sub-step 3: Inspect the float arm and the resistor strip for damage or corrosion.

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

Sub-step 1: If the sending unit is faulty, install the new unit by reversing the removal steps.
Sub-step 2: Ensure the float arm moves freely without obstruction.
Sub-step 3: Reconnect the fuel lines and electrical connectors securely.

5. Reassemble and Test

Sub-step 1: Reinstall the access cover and secure the rear seat or access panel.
Sub-step 2: Reconnect the vehicle battery.
Sub-step 3: Start the engine and check the fuel gauge operation while monitoring for any leaks.