how to check if the Ford F-150 13th Generation (2015-2020) has a faulty fuel pump?

Ford F-150 13th Generation (2015-2020)

Error Codes

2-4 hours

Time

medium

Difficulty

high

Severity

3 min read

537 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 F-150 (2015-2020). 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.
•Allow the fuel system to depressurize before servicing to prevent fuel spray.

Symptoms

•Engine cranks but fails to start
•Loss of power during acceleration
•Unusual engine noises, such as whining or buzzing
•Decreased fuel efficiency
•Check engine light illuminated with fuel-related error codes
•Engine stalling or hesitation during operation

Diagnostic Steps

1
Scan the vehicle’s onboard computer for error codes using an OBD-II scanner.
2
Check the fuel pump relay and fuse for functionality and proper operation.
3
Measure the fuel pressure at the fuel rail using a fuel pressure gauge.
4
Inspect the wiring and connectors leading to the fuel pump for signs of damage or corrosion.
5
Listen for the fuel pump operation by turning the ignition to the 'ON' position without starting the engine.
6
Perform a voltage test at the fuel pump connector to ensure it is receiving power when the ignition is turned on.

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
•Multimeter
•Socket set

Parts Required

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

Related Faults

Share this solution

Comments

No comments yet

Be the first to share your thoughts

Back to Generation

Diagnostic Steps

1
Scan the vehicle’s onboard computer for error codes using an OBD-II scanner.
2
Check the fuel pump relay and fuse for functionality and proper operation.
3
Measure the fuel pressure at the fuel rail using a fuel pressure gauge.
4
Inspect the wiring and connectors leading to the fuel pump for signs of damage or corrosion.
5
Listen for the fuel pump operation by turning the ignition to the 'ON' position without starting the engine.
6
Perform a voltage test at the fuel pump connector to ensure it is receiving power when the ignition is turned on.

Solution

1. Preparation

Disconnect the negative battery terminal to ensure safety.
Gather tools: OBD-II scanner, fuel pressure gauge, multimeter, socket set.

2. Check Fuel Pressure

Sub-step 1: Locate the Schrader valve on the fuel rail.
Sub-step 2: Attach the fuel pressure gauge to the Schrader valve.
Sub-step 3: Turn the ignition key to the "ON" position without starting the engine and read the pressure on the gauge.
Sub-step 4: Compare the reading with the manufacturer specifications (typically around 30-50 psi for F-150s).
Sub-step 5: If the pressure is below specification, proceed to replace the fuel pump.

3. Replace Fuel Pump (if necessary)

Sub-step 1: Relieve fuel system pressure by removing the fuel pump relay and starting the engine until it stalls.
Sub-step 2: Disconnect the negative battery terminal again.
Sub-step 3: Remove the rear seat or access panel to reach the fuel pump module.
Sub-step 4: Disconnect all electrical connectors and fuel lines from the pump.
Sub-step 5: Unscrew and remove the fuel pump module from the tank.
Sub-step 6: Install the new fuel pump into the module and secure it, ensuring that O-rings are in place.
Sub-step 7: Reinstall the module back into the tank and reconnect all lines and connectors.
Sub-step 8: Reconnect the fuel pump relay and negative battery terminal.