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

Ford Explorer Fifth Generation (2011-2019)

Error Codes

2-4 hours

Time

hard

Difficulty

high

Severity

3 min read

518 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 fuel pump issues in Ford Explorer (2011-2019). Step-by-step guide with symptoms, diagnostic steps, 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 engine to cool completely before beginning repairs.

Symptoms

•Engine cranks but does not start
•Loss of power during acceleration
•Check engine light illuminated
•Fuel gauge malfunction
•Unusual noises from the fuel tank (buzzing or whining)

Diagnostic Steps

1
Scan for error codes using an OBD-II scanner to check for fuel system-related codes.
2
Verify fuel pump operation by listening for a humming noise from the fuel tank when the ignition is turned on.
3
Check fuel pump relay and fuse for continuity using a multimeter.
4
Measure fuel pressure at the fuel rail using a fuel pressure gauge to ensure it meets specifications.
5
Inspect the wiring and connectors leading to the fuel pump for any visible damage or corrosion.

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
•Screwdriver set
•Fuel line disconnect tool
•Multimeter
•Jack and jack stands

Parts Required

•New fuel pump assembly
•Fuel filter (if needed)

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Diagnostic Steps

1
Scan for error codes using an OBD-II scanner to check for fuel system-related codes.
2
Verify fuel pump operation by listening for a humming noise from the fuel tank when the ignition is turned on.
3
Check fuel pump relay and fuse for continuity using a multimeter.
4
Measure fuel pressure at the fuel rail using a fuel pressure gauge to ensure it meets specifications.
5
Inspect the wiring and connectors leading to the fuel pump for any visible damage or corrosion.

Solution

1. Preparation

Gather necessary tools and parts.
Disconnect the battery to prevent electrical shorts.
Relieve fuel system pressure by removing the fuel pump relay and running the engine until it stalls.

2. Remove Fuel Tank

Sub-step 1: Safely lift the vehicle using jack stands.
Sub-step 2: Disconnect the fuel filler neck and vent hose.
Sub-step 3: Remove any brackets or straps securing the fuel tank.
Sub-step 4: Carefully lower the fuel tank to access the fuel pump.

3. Replace Fuel Pump

Sub-step 1: Disconnect the electrical connector and fuel lines from the old fuel pump.
Sub-step 2: Remove the retaining ring securing the fuel pump assembly using a special tool or a screwdriver.
Sub-step 3: Remove the old fuel pump and replace it with the new unit.
Sub-step 4: Reinstall the retaining ring to secure the new pump.

4. Reassemble Fuel Tank

Sub-step 1: Reconnect the fuel lines and electrical connectors to the new fuel pump.
Sub-step 2: Reinstall the fuel tank, securing it with brackets and straps.
Sub-step 3: Reconnect the fuel filler neck and vent hose.

5. Final Checks

Sub-step 1: Reconnect the battery.
Sub-step 2: Turn the ignition on (do not start) to prime the fuel system and check for leaks.
Sub-step 3: Start the vehicle to ensure proper operation.