how to fix the fuel pump on 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

584 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.
•Relieve fuel system pressure before servicing the fuel pump.

Symptoms

•Engine cranks but fails to start
•Unusual fuel pump noise (whining or humming)
•Loss of power during acceleration
•Check engine light illuminated
•Poor fuel economy
•Fuel gauge malfunction

Diagnostic Steps

1
Scan for error codes using an OBD-II scanner to identify any related trouble codes.
2
Check the fuel pump relay by testing it with a multimeter for continuity.
3
Inspect the fuel pump fuse in the fuse box to ensure it is not blown.
4
Measure the fuel pressure at the Schrader valve on the fuel rail using a fuel pressure gauge.
5
Listen for the fuel pump activation sound when the ignition is turned on.
6
Inspect the wiring and connections to the fuel pump for 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

•Socket set
•Wrench set
•Fuel pressure gauge
•Multimeter
•OBD-II scanner
•Safety goggles
•Gloves

Parts Required

•New fuel pump
•Fuel pump O-ring (if applicable)

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Diagnostic Steps

1
Scan for error codes using an OBD-II scanner to identify any related trouble codes.
2
Check the fuel pump relay by testing it with a multimeter for continuity.
3
Inspect the fuel pump fuse in the fuse box to ensure it is not blown.
4
Measure the fuel pressure at the Schrader valve on the fuel rail using a fuel pressure gauge.
5
Listen for the fuel pump activation sound when the ignition is turned on.
6
Inspect the wiring and connections to the fuel pump for damage or corrosion.

Solution

1. Preparation

Tools Required: Socket set, wrench set, fuel pressure gauge, multimeter, OBD-II scanner, safety goggles, gloves, and a container for fuel.
Safety Warnings: Disconnect the battery before working on electrical systems. Relieve fuel system pressure before servicing the fuel pump.

2. Relieve Fuel System Pressure

Locate the fuel pump fuse in the fuse box.
Remove the fuse to disable the fuel pump.
Start the engine and allow it to run until it stalls to relieve residual fuel pressure.

3. Access the Fuel Pump

Remove the rear seat cushion if necessary to access the fuel pump access panel.
Unscrew and remove the access panel to expose the fuel pump assembly.
Disconnect the electrical connector from the fuel pump.

4. Remove the Fuel Pump Assembly

Unscrew the retaining ring or bolts securing the fuel pump module.
Carefully lift the fuel pump assembly out of the fuel tank.
Disconnect the fuel lines, taking care to catch any spilling fuel in a container.

5. Install New Fuel Pump

Compare the new fuel pump with the old one to ensure compatibility.
Install the new fuel pump into the fuel pump assembly.
Reconnect the fuel lines and ensure they are secured.
Reinstall the fuel pump assembly into the tank and secure it with the retaining ring/bolts.

6. Reassemble and Test

Reconnect the electrical connector to the fuel pump.
Replace the access panel and rear seat cushion.
Reinsert the fuel pump fuse back into the fuse box.
Reconnect the battery.