my Ford Explorer's fuel pump is not working how can I check it

Ford Explorer Sixth Generation (2020-present)

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 a non-working fuel pump in your Ford Explorer. 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 disconnecting any fuel lines.

Symptoms

•Engine cranks but does not start
•No sound from the fuel pump when ignition is turned on
•Poor acceleration or stalling during driving
•Check engine light illuminated
•Fuel gauge not reading correctly

Diagnostic Steps

1
Scan for error codes using an OBD-II scanner to identify any fuel system-related codes.
2
Check fuel pump fuse in the fuse box for any signs of being blown.
3
Listen for the fuel pump operation by turning the ignition key to the 'ON' position without starting the engine; you should hear a whirring sound.
4
Inspect fuel pump relay by swapping it with a similar relay to check for functionality.
5
Test for voltage at the fuel pump connector using a multimeter while someone turns the ignition to 'ON.'
6
Check fuel lines for blockages or leaks that may be causing pressure issues.

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
•Multimeter
•Socket set
•Fuel line disconnect tool

Parts Required

•New fuel pump
•Fuel filter (if needed)

Related Faults

Share this solution

Comments

No comments yet

Be the first to share your thoughts

Back to Generation

Diagnostic Steps

1
Scan for error codes using an OBD-II scanner to identify any fuel system-related codes.
2
Check fuel pump fuse in the fuse box for any signs of being blown.
3
Listen for the fuel pump operation by turning the ignition key to the 'ON' position without starting the engine; you should hear a whirring sound.
4
Inspect fuel pump relay by swapping it with a similar relay to check for functionality.
5
Test for voltage at the fuel pump connector using a multimeter while someone turns the ignition to 'ON.'
6
Check fuel lines for blockages or leaks that may be causing pressure issues.

Solution

1. Preparation

Tools Required: OBD-II scanner, multimeter, socket set, fuel line disconnect tool.
Safety Warnings: Disconnect the battery before working on electrical systems. Relieve fuel system pressure before disconnecting any fuel lines.

2. Remove Fuel Pump

Relieve Fuel Pressure:
- Locate the fuel pump relay and remove it.
- Start the engine until it stalls to relieve pressure in the fuel lines.
Access the Fuel Pump:
- Remove the rear seat or access panel to reach the fuel pump module.
- Disconnect the electrical connectors and fuel lines from the pump (use a fuel line disconnect tool if necessary).
Remove the Fuel Pump Assembly:
- Unscrew the retaining ring or bolts securing the fuel pump module to the tank.
- Carefully lift the assembly out of the tank.

3. Inspect and Replace

Inspect the Fuel Pump:
- Check for any visible damage or wear. If the pump is faulty, replace it with a new one.
Install New Fuel Pump:
- Insert the new fuel pump into the assembly, ensuring it is seated correctly.
- Reattach the retaining ring or bolts and torque to the manufacturer's specifications.
Reconnect Fuel Lines and Electrical Connectors:
- Reconnect the fuel lines securely and attach the electrical connectors.

4. Reassemble and Test

Reinstall Access Panel or Seat:
- Put everything back in place, ensuring no parts are left loose.
Reconnect Battery:
- Reconnect the battery and insert the fuel pump relay back into the fuse box.
Test the Fuel Pump Operation:
- Turn the ignition to the "ON" position and listen for the fuel pump. Ensure it operates properly.
- Start the engine to confirm functionality.