how to tell if my Ford Explorer Fifth Generation (2011-2019) has a bad fuel pump

Ford Explorer Fifth Generation (2011-2019)

Error Codes

2-4 hours

Time

medium

Difficulty

high

Severity

3 min read

484 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 Fifth Generation (2011-2019). Step-by-step guide with symptoms 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 fuel system to depressurize before servicing to prevent fuel spray.

Symptoms

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

Diagnostic Steps

1
Scan for error codes using an OBD-II scanner to check for fuel system-related codes.
2
Listen for the fuel pump priming when the ignition is turned to the 'ON' position without starting the engine.
3
Check fuel pressure using a fuel pressure gauge; compare readings to manufacturer specifications.
4
Inspect the fuel pump relay and fuse for continuity and signs of damage.
5
Verify the integrity of the fuel lines and connections for leaks or blockages.
6
Measure voltage at the fuel pump connector while cranking the engine to ensure proper power supply.

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
•Safety glasses

Parts Required

•Fuel pump (if replacement is necessary)
•Fuel filter (if replacement is necessary)

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Diagnostic Steps

1
Scan for error codes using an OBD-II scanner to check for fuel system-related codes.
2
Listen for the fuel pump priming when the ignition is turned to the 'ON' position without starting the engine.
3
Check fuel pressure using a fuel pressure gauge; compare readings to manufacturer specifications.
4
Inspect the fuel pump relay and fuse for continuity and signs of damage.
5
Verify the integrity of the fuel lines and connections for leaks or blockages.
6
Measure voltage at the fuel pump connector while cranking the engine to ensure proper power supply.

Solution

1. Preparation

Gather necessary tools and parts.
Disconnect the battery to ensure safety while working on electrical components.

2. Access the Fuel Pump

Tools Required: Socket set, screwdriver, and safety glasses.
Remove the rear seats or access panel to gain access to the fuel pump module.
Disconnect any electrical connectors and fuel lines carefully, using rags to catch any spills.

3. Remove Fuel Pump Module

Unscrew the retaining ring or bolts securing the fuel pump module in place.
Lift the module out of the fuel tank carefully to avoid damaging the float and sending unit.

4. Inspect and Replace

Check the fuel pump for signs of wear, such as cracks or corrosion.
If necessary, replace the fuel pump with a new unit, ensuring it is compatible with the Ford Explorer.
Reinstall the module by reversing the removal steps, ensuring all connections are secure and torqued to specifications.

5. Reconnect Battery and Test

Reconnect the battery and turn the ignition to the "ON" position to prime the pump.
Start the engine and check for proper operation.