how to troubleshoot Ford F-150 13th Generation (2015-2020) fuel tank issues

Ford F-150 13th Generation (2015-2020)

Error Codes

4-8 hours

Time

hard

Difficulty

high

Severity

3 min read

575 words

⚠️ Safety Warning

This issue requires immediate attention. If you are not experienced with automotive repairs, consult a professional mechanic. Working on critical systems can be dangerous.

Problem Statement

Learn how to troubleshoot and fix fuel tank issues in Ford F-150 (2015-2020). Step-by-step guide with symptoms, diagnostics, and repair instructions.

Affected Component

Fuel System

Estimated Time

4-8 hours

⚠️ Safety Warnings

Important safety information - read before proceeding

•Disconnect the battery before working on the fuel system to prevent sparks.
•Work in a well-ventilated area to avoid inhaling fuel vapors.
•Wear appropriate personal protective equipment (gloves and goggles).

Symptoms

•Fuel smell around the vehicle
•Fuel gauge reading inaccurately
•Difficulty in filling the fuel tank (fuel pump shuts off prematurely)
•Visible fuel leaks under the vehicle
•Engine performance issues (stuttering or stalling)

Diagnostic Steps

1
Inspect the fuel tank for visible signs of damage or leaks.
2
Check fuel lines and connections for cracks or loose fittings.
3
Use an OBD-II scanner to check for related error codes.
4
Test the fuel pump operation and pressure using a fuel pressure gauge.
5
Inspect the fuel filler neck and venting system for blockages.
6
Verify the functionality of the fuel gauge sender unit.

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
•Fuel pressure gauge
•Socket set
•Fuel line removal tool
•Jack stands

Parts Required

•Fuel tank (if damaged)
•Fuel pump (if necessary)
•Fuel filler neck (if damaged)

Related Faults

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Diagnostic Steps

1
Inspect the fuel tank for visible signs of damage or leaks.
2
Check fuel lines and connections for cracks or loose fittings.
3
Use an OBD-II scanner to check for related error codes.
4
Test the fuel pump operation and pressure using a fuel pressure gauge.
5
Inspect the fuel filler neck and venting system for blockages.
6
Verify the functionality of the fuel gauge sender unit.

Solution

1. Preparation

Gather necessary tools and parts.
Ensure the vehicle is parked on a flat surface and the engine is cool.
Disconnect the battery (negative terminal) to prevent any electrical issues.

2. Inspect and Replace Fuel Tank

Sub-steps:
1. Safely lift the vehicle using jack stands and remove the rear wheels for better access.
2. Remove the fuel tank shield (if equipped) by unscrewing the fasteners.
3. Disconnect the fuel lines and electrical connectors from the fuel tank.
  - Tools Required: Fuel line removal tool, socket set.
4. Remove the tank mounting bolts and lower the tank carefully.
5. Inspect for cracks or punctures; replace the tank if damaged.
6. Install a new fuel tank by reversing the removal steps.

3. Replace Fuel Pump (if necessary)

Sub-steps:
1. Access the fuel pump by removing the fuel tank (see previous step).
2. Disconnect the electrical connector from the fuel pump.
3. Remove the fuel pump assembly by unscrewing the retaining ring.
4. Replace the old fuel pump with a new one, ensuring the O-ring is properly seated.
5. Reinstall the fuel pump assembly and reconnect the electrical connector.

4. Inspect and Clean Fuel Filler Neck

Sub-steps:
1. Use a flashlight to visually inspect the filler neck for obstructions.
2. If blockages are found, remove them using a cleaning tool or compressed air.
3. Ensure the filler cap seals properly to prevent vapor leaks.

5. Reconnect Battery and Test

Reconnect the battery's negative terminal.
Start the engine and check for any leaks around the fuel system.