how to fix faulty fuel pump in Ford Explorer Fifth Generation (2011-2019)

Ford Explorer Fifth Generation (2011-2019)

Error Codes

2-4 hours

Time

medium

Difficulty

high

Severity

3 min read

555 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 diagnose and fix a faulty fuel pump in Ford Explorer Fifth Generation (2011-2019). Step-by-step guide with symptoms and repair instructions.

Affected Component

Fuel System

Estimated Time

2-4 hours

⚠️ Safety Warnings

Important safety information - read before proceeding

•Always work in a well-ventilated area to avoid inhaling fuel vapors.
•Disconnect the battery before working on the fuel system to prevent electrical hazards.

Symptoms

•Check engine light illuminated
•Engine stalling or not starting
•Loss of power during acceleration
•Unusual noises from the fuel tank (whining or humming)
•Poor fuel economy
•Fuel odor near the vehicle

Diagnostic Steps

1
Scan for error codes using an OBD-II scanner to identify any fuel system-related codes.
2
Check fuel pressure with a fuel pressure gauge to determine if it meets manufacturer specifications.
3
Inspect the fuel pump relay and fuse for continuity and proper operation.
4
Test the electrical connections to the fuel pump for voltage and ground.
5
Confirm that the fuel filter is not clogged and is allowing fuel flow.
6
Visually inspect the fuel lines for leaks or damage.

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
•Torque wrench
•Screwdrivers
•Safety goggles
•Gloves

Parts Required

•New fuel pump
•Fuel pump strainer (if applicable)
•Fuel line clips (if needed)

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Diagnostic Steps

1
Scan for error codes using an OBD-II scanner to identify any fuel system-related codes.
2
Check fuel pressure with a fuel pressure gauge to determine if it meets manufacturer specifications.
3
Inspect the fuel pump relay and fuse for continuity and proper operation.
4
Test the electrical connections to the fuel pump for voltage and ground.
5
Confirm that the fuel filter is not clogged and is allowing fuel flow.
6
Visually inspect the fuel lines for leaks or damage.

Solution

1. Preparation

Gather all necessary tools and parts.
Disconnect the negative battery terminal to prevent electrical shock.
Relieve the fuel system pressure by removing the fuel pump relay and starting the engine until it stalls.

2. Remove the Fuel Pump

Access the Fuel Pump:
- Remove the rear seat or access panel to locate the fuel pump assembly.
- Disconnect any electrical connectors and fuel lines from the pump.
Remove the Assembly:
- Unscrew the retaining ring or bolts securing the fuel pump assembly.
- Carefully lift out the fuel pump assembly from the tank.

3. Inspect and Replace

Inspect the Old Pump:
- Check the old fuel pump for signs of damage or wear.
Replace the Pump:
- Install the new fuel pump into the assembly, ensuring it is seated properly.
- Reconnect the fuel lines and electrical connectors securely.

4. Reinstall the Assembly

Place the fuel pump assembly back into the fuel tank.
Secure it using the retaining ring or bolts, ensuring it is torqued to manufacturer specifications.
Reconnect the fuel pump relay and electrical connections.

5. Final Checks

Reconnect the negative battery terminal.
Turn the ignition key to the "ON" position (without starting) to prime the fuel system, then check for leaks around the fuel lines and connections.
Start the engine and monitor for proper operation.