how to diagnose fuel pump issues 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

550 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 opening any fuel lines or components.

Symptoms

•Engine cranks but does not start
•Engine stalling or hesitation during acceleration
•Decreased fuel efficiency
•Noise from the fuel tank (buzzing or whining)
•Check engine light illuminated

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 for continuity and ensuring it is functioning correctly.
3
Inspect the fuel pump fuse for any signs of damage or failure.
4
Measure fuel pressure at the fuel rail using a fuel pressure gauge to ensure it meets manufacturer specifications.
5
Listen for the fuel pump operation by turning the ignition key to the 'ON' position without starting the engine; a faint humming sound should be heard from the fuel tank.
6
Inspect electrical connections and wiring related to the fuel pump for corrosion 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
•Fuel line disconnect tool
•Screwdrivers

Parts Required

•Fuel pump (if replacement is needed)
•Fuel filter (if replacement is 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 related trouble codes.
2
Check the fuel pump relay by testing it for continuity and ensuring it is functioning correctly.
3
Inspect the fuel pump fuse for any signs of damage or failure.
4
Measure fuel pressure at the fuel rail using a fuel pressure gauge to ensure it meets manufacturer specifications.
5
Listen for the fuel pump operation by turning the ignition key to the 'ON' position without starting the engine; a faint humming sound should be heard from the fuel tank.
6
Inspect electrical connections and wiring related to the fuel pump for corrosion or damage.

Solution

1. Preparation

Gather necessary tools and parts.
Disconnect the battery to ensure safety while working on electrical components.
Relieve fuel system pressure by removing the fuel pump relay and starting the engine until it stalls.

2. Remove Fuel Pump

Tools Required: Socket set, fuel line disconnect tool, torque wrench, screwdrivers.
Remove the rear seat cushion to access the fuel pump access panel.
Unbolt the access panel and carefully lift it to expose the fuel pump assembly.
Disconnect the electrical connectors and fuel lines from the fuel pump assembly.
Unscrew the retaining ring and carefully remove the fuel pump assembly from the tank.

3. Inspect and Replace

Inspect the fuel pump for any signs of wear or damage, such as a burnt motor or clogged filter.
If replacement is needed, install a new fuel pump, ensuring that the pump is oriented correctly.
Replace the fuel filter if necessary and ensure all electrical connections are secure.

4. Reassemble and Test

Reinstall the fuel pump assembly back into the tank and secure it with the retaining ring.
Reconnect the fuel lines and electrical connectors.
Reinstall the access panel and rear seat cushion.
Reconnect the battery and install the fuel pump relay.
Start the engine and check for proper operation and leaks.