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how to identify a failing fuel pump on Ford F-150 13th Generation (2015-2020) - Ford F-150
Home/Cars/Ford/F-150/13th Generation (2015-2020)/how to identify a failing fuel pump on Ford F-150 13th Generation (2015-2020)

how to identify a failing fuel pump on Ford F-150 13th Generation (2015-2020)

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

Error Codes
2-4 hours
Time
medium
Difficulty
high
Severity
Navigation
ProblemSymptomsDiagnosisSolution
ProblemSymptomsDiagnosisSolution
4 min read
644 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 identify and fix a failing fuel pump 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 engine to cool before opening the fuel system.
  • •Work in a well-ventilated area to avoid inhaling fuel vapors.

Symptoms

  • •Check engine light illuminated
  • •Engine cranks but fails to start
  • •Loss of power during acceleration
  • •Unusual whining noise from the fuel tank
  • •Poor fuel economy
  • •Engine stalling or hesitation during operation

Diagnostic Steps

  1. 1
  2. 2
  3. 3
  4. 4
  5. 5
  6. 6

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 removal tool

Parts Required

  • •New fuel pump assembly
  • •Fuel pump strainer (if sold separately)
  • •New fuel filter (if applicable)

Additional Information

Affected Component
Fuel System
Estimated Time
2-4 hours
Difficulty
medium
Severity
high
Tools Required
5 items
Parts Required
3 items

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Solution
1. Preparation
  • Gather necessary tools and parts.
  • Ensure safety equipment is on hand (gloves, goggles).
  • Disconnect the negative battery terminal.
  • Relieve fuel system pressure by removing the fuel pump relay and starting the engine until it stalls.
2. Remove Fuel Pump

  1. Access the Fuel Pump:

    • For in-tank pumps, remove the rear seat or access panel if equipped.
    • If not accessible, drop the fuel tank by removing the securing straps and disconnecting any attached components.

  2. Disconnect Fuel Lines:

    • Carefully disconnect the fuel lines using the appropriate line removal tool.
    • Be prepared for some residual fuel spillage; have a container ready.

  3. Remove Electrical Connectors:

    • Disconnect the electrical connectors from the fuel pump.

  4. Remove Fuel Pump Assembly:

    • Unscrew the retaining ring or bolts holding the fuel pump assembly in place.
    • Carefully lift out the fuel pump assembly from the tank.
3. Inspect and Replace

  1. Inspect the Old Pump:

    • Look for signs of wear, such as corrosion or damage.
    • Check the fuel strainer for clogs.

  2. Install New Fuel Pump:

    • Place the new fuel pump assembly into the tank.
    • Secure it with the retaining ring or bolts, ensuring it is properly seated.

  3. Reconnect Electrical Connectors:

    • Reattach the electrical connectors to the new fuel pump.

  4. Reconnect Fuel Lines:

    • Attach the fuel lines to the new pump, ensuring a tight fit.
4. Reassemble and Test

  1. Reinstall Fuel Tank:

    • If the pump was accessed from underneath, reattach the fuel tank and securing straps.

  2. Reconnect Battery:

    • Reconnect the negative battery terminal.

  3. Prime the Fuel System:

    • Turn the ignition to the ON position without starting the engine to allow the pump to prime the system.
    • Check for leaks around the connections.

  4. Start the Engine:

    • Start the engine and check for proper operation.