how do I know if my Ford Explorer Fifth Generation (2011-2019) fuel pump is bad?

Ford Explorer Fifth Generation (2011-2019)

Error Codes

2-4 hours

Time

medium

Difficulty

high

Severity

3 min read

543 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, diagnostic steps, and repair instructions.

Affected Component

Fuel System

Estimated Time

2-4 hours

⚠️ Safety Warnings

Important safety information - read before proceeding

•Always work in a well-ventilated area to avoid inhaling fuel vapors.
•Disconnect the battery before working on the fuel system to prevent sparks.
•Allow the engine and fuel system to cool before starting repairs.

Symptoms

•Check engine light illuminated
•Engine cranks but does not start
•Poor acceleration or loss of power
•Engine stalling during operation
•Whining noise from the fuel tank when the ignition is on
•Decreased fuel efficiency

Diagnostic Steps

1
Scan for error codes using an OBD-II scanner to identify fuel system-related codes.
2
Listen for a humming noise from the fuel tank when the ignition is turned to the 'On' position (before cranking the engine).
3
Check the fuel pump relay and fuse for continuity and proper function.
4
Measure fuel pressure at the fuel rail using a fuel pressure gauge; compare readings to manufacturer specifications.
5
Inspect wiring and connectors leading to the fuel pump for damage or corrosion.
6
Perform a visual inspection of the fuel lines for leaks or blockages.

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
•Jack and jack stands
•Fuel line removal tool
•Torque wrench

Parts Required

•Replacement fuel pump
•Fuel filter (if applicable)

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Diagnostic Steps

1
Scan for error codes using an OBD-II scanner to identify fuel system-related codes.
2
Listen for a humming noise from the fuel tank when the ignition is turned to the 'On' position (before cranking the engine).
3
Check the fuel pump relay and fuse for continuity and proper function.
4
Measure fuel pressure at the fuel rail using a fuel pressure gauge; compare readings to manufacturer specifications.
5
Inspect wiring and connectors leading to the fuel pump for damage or corrosion.
6
Perform a visual inspection of the fuel lines for leaks or blockages.

Solution

1. Preparation

Gather necessary tools and parts.
Disconnect the negative battery terminal to ensure safety.
Relieve fuel system pressure by removing the fuel pump relay and starting the engine until it stalls.

2. Access Fuel Pump

Sub-steps:
1. Safely lift the vehicle using jack stands.
2. Remove the fuel tank skid plate (if equipped) using a socket set.
3. Disconnect the fuel lines from the fuel tank using appropriate line removal tools.
4. Disconnect the electrical connector from the fuel pump.

3. Remove Fuel Pump

Sub-steps:
1. Remove any retaining rings or screws securing the fuel pump in place.
2. Carefully lift the fuel pump assembly out of the fuel tank.
3. Inspect the fuel pump for any visible damage or wear.

4. Install New Fuel Pump

Sub-steps:
1. If necessary, transfer the fuel level sending unit and any other components from the old pump to the new pump.
2. Install the new fuel pump into the fuel tank, ensuring it is seated correctly.
3. Reattach the retaining rings or screws.
4. Reconnect the electrical connector and fuel lines.

5. Reassemble and Test

Sub-steps:
1. Reinstall the fuel tank skid plate if removed.
2. Reconnect the negative battery terminal.
3. Start the engine and check for proper operation.

Tools Required:

OBD-II scanner
Fuel pressure gauge
Socket set
Jack and jack stands
Fuel line removal tool
Torque wrench

Parts Required:

Replacement fuel pump
Fuel filter (if applicable)

Estimated Repair Time: 2-4 hours

Safety Warnings:

Always work in a well-ventilated area to avoid inhaling fuel vapors.
Disconnect the battery before working on the fuel system to prevent sparks.
Allow the engine and fuel system to cool before starting repairs.