how to troubleshoot Ford Explorer Fifth Generation (2011-2019) fuel pump issues

Ford Explorer Fifth Generation (2011-2019)

Error Codes

2-4 hours

Time

medium

Difficulty

high

Severity

3 min read

456 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 troubleshoot and fix fuel pump issues in Ford Explorer Fifth Generation (2011-2019). Step-by-step guide with symptoms and diagnostic steps.

Affected Component

Fuel System

Estimated Time

2-4 hours

⚠️ Safety Warnings

Important safety information - read before proceeding

•Disconnect the battery before working on the fuel system.
•Allow the engine to cool before working on the fuel tank to prevent burns.

Symptoms

•Engine cranks but does not start
•Check engine light illuminated
•Loss of power during acceleration
•Engine stalling or rough idling
•Unusual noises from the fuel tank (buzzing or whining)

Diagnostic Steps

1
Scan for error codes using an OBD-II scanner to identify any fuel system-related codes.
2
Check the fuel pump relay and fuse for continuity and proper operation.
3
Measure the fuel pressure using a fuel pressure gauge to ensure it meets manufacturer specifications.
4
Inspect the electrical connections at the fuel pump for corrosion or damage.
5
Verify the condition of the fuel filter; replace it if clogged.
6
Listen for the fuel pump operation by turning the ignition key to the 'ON' position without starting the engine.

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 wrench
•Torque wrench

Parts Required

•Fuel pump assembly
•Fuel filter (if needed)
•Fuel pump relay (if faulty)

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Diagnostic Steps

1
Scan for error codes using an OBD-II scanner to identify any fuel system-related codes.
2
Check the fuel pump relay and fuse for continuity and proper operation.
3
Measure the fuel pressure using a fuel pressure gauge to ensure it meets manufacturer specifications.
4
Inspect the electrical connections at the fuel pump for corrosion or damage.
5
Verify the condition of the fuel filter; replace it if clogged.
6
Listen for the fuel pump operation by turning the ignition key to the 'ON' position without starting the engine.

Solution

1. Preparation

Gather necessary tools and parts.
Disconnect the vehicle's battery to ensure safety.
Relieve fuel system pressure by removing the fuel pump fuse and running the engine until it stalls.

2. Remove Fuel Pump

Sub-steps:
1. Raise the vehicle using jack stands and remove the fuel tank access panel (if applicable).
2. Disconnect the electrical connector from the fuel pump.
3. Remove the fuel lines from the pump; use a line wrench to avoid damaging the fittings.
4. Unscrew and remove the retaining ring or bolts securing the fuel pump assembly.
5. Carefully extract the fuel pump from the tank, ensuring to avoid damaging the float or sending unit.

3. Inspect and Replace

Sub-steps:
1. Inspect the removed fuel pump for signs of wear or failure (e.g., burnt motor or clogged filter).
2. If necessary, replace the fuel pump with a new unit, ensuring it is compatible with the vehicle.
3. Reinstall the fuel pump assembly in the tank and secure it with the retaining ring or bolts.
4. Reconnect the fuel lines and electrical connector to the pump.

4. Reassemble and Test

Sub-steps:
1. Reinstall the fuel tank access panel if removed.
2. Reconnect the battery terminals.
3. Start the vehicle and monitor for any leaks or abnormal noises.
4. Check fuel pressure again to ensure it is within the specified range.

Tools Required:

OBD-II scanner
Fuel pressure gauge
Socket set
Line wrench
Torque wrench

Parts Required:

Fuel pump assembly
Fuel filter (if needed)
Fuel pump relay (if faulty)

Estimated Repair Time: 2-4 hours

Safety Warnings:

Disconnect the battery before working on the fuel system.
Allow the engine to cool before working on the fuel tank to prevent burns.