how do I fix the fuel pump in my Ford Explorer Fifth Generation (2011-2019)

Ford Explorer Fifth Generation (2011-2019)

Error Codes

2-4 hours

Time

medium

Difficulty

high

Severity

4 min read

632 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 battery before working on electrical systems.
•Allow engine to cool before opening fuel system.
•Work in a well-ventilated area to avoid inhaling fuel vapors.

Symptoms

•Engine cranks but does not start
•Check engine light illuminated
•Loss of power during acceleration
•Engine stalling while driving
•Unusual whining noise from the fuel tank
•Poor fuel economy

Diagnostic Steps

1
Scan for error codes using an OBD-II scanner to identify any related fault codes.
2
Check fuel pump relay operation by swapping it with a similar relay in the fuse box.
3
Inspect the fuel pump fuse for continuity; replace if blown.
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 damage or corrosion.
6
Check for fuel leaks in the fuel lines or around the fuel pump.

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
•Line disconnect tool
•Jack and jack stands
•Torque wrench

Parts Required

•New fuel pump
•Fuel pump O-rings/seals (if applicable)
•Fuel filter (recommended, if not replaced recently)

Related Faults

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Diagnostic Steps

1
Scan for error codes using an OBD-II scanner to identify any related fault codes.
2
Check fuel pump relay operation by swapping it with a similar relay in the fuse box.
3
Inspect the fuel pump fuse for continuity; replace if blown.
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 damage or corrosion.
6
Check for fuel leaks in the fuel lines or around the fuel pump.

Solution

1. Preparation

Gather tools and parts required for the repair.
Disconnect the negative battery terminal to ensure safety.
Relieve fuel system pressure by removing the fuel pump relay and starting the engine until it stalls.

2. Remove Fuel Tank

Sub-step 1: Safely lift the vehicle using a jack and secure it with jack stands.
Sub-step 2: Remove the rear wheels for easier access (optional).
Sub-step 3: Disconnect the fuel lines from the tank using a line disconnect tool; use rags to catch any residual fuel.
Sub-step 4: Disconnect the electrical connector from the fuel pump.
Sub-step 5: Remove the tank straps securing the fuel tank to the vehicle.
Sub-step 6: Carefully lower the fuel tank and remove it from the vehicle.

3. Replace Fuel Pump

Sub-step 1: Remove the fuel pump access cover if applicable.
Sub-step 2: Unscrew and remove the old fuel pump from the fuel sender assembly.
Sub-step 3: Install the new fuel pump into the assembly, ensuring it is securely fastened.
Sub-step 4: Replace any O-rings or seals that come with the new pump.

4. Reinstall Fuel Tank

Sub-step 1: Position the fuel tank back under the vehicle.
Sub-step 2: Reattach the tank straps to secure the fuel tank in place.
Sub-step 3: Reconnect the electrical connector to the fuel pump.
Sub-step 4: Reconnect the fuel lines, ensuring a tight fit to prevent leaks.
Sub-step 5: Replace the fuel pump relay and reconnect the negative battery terminal.

5. Testing

Sub-step 1: Turn the ignition key to the "ON" position without starting the engine to prime the fuel system.
Sub-step 2: Check for any leaks around the fuel lines and tank area.
Sub-step 3: Start the engine and monitor its operation, ensuring there are no abnormal noises or issues.