FAULTBASE
Error CodesASKCars
© 2026 FAULTBASE
All rights reserved.
v2.0.0 • Production
ContactPrivacyImpressum
What are the common problems with the fuel pump in a 2022 Toyota Highlander? - Toyota Highlander
Home/Cars/Toyota/Highlander/Fourth Generation (2020-present)/What are the common problems with the fuel pump in a 2022 Toyota Highlander?

What are the common problems with the fuel pump in a 2022 Toyota Highlander?

Toyota Highlander Fourth Generation (2020-present)

Error Codes
medium
Difficulty
medium
Severity
Navigation
ProblemSymptomsDiagnosisSolution
ProblemSymptomsDiagnosisSolution
5 min read
820 words

Problem Statement

Learn about the common fuel pump issues in the 2022 Toyota Highlander, including symptoms, diagnostic steps, and repair instructions.

Affected Component
fuel pump

Symptoms

  • •Engine Cranks but Does Not Start
  • •Loss of Power During Acceleration
  • •Unusual Noise from the Fuel Tank
  • •Check Engine Light Illuminated
  • •Poor Fuel Economy

Diagnostic Steps

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

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

  • •Fuel pressure gauge
  • •Multimeter
  • •OBD-II scanner
  • •Basic hand tools (screwdrivers, wrenches, pliers)
  • •Safety glasses and gloves
  • •Fuel line disconnect tool (if needed)

Additional Information

Affected Component
fuel pump
Difficulty
medium
Severity
medium
Tools Required
6 items

Related Faults

Loading...

Share this solution

Comments

Sign in to share your thoughts

Sign In

No comments yet

Be the first to share your thoughts

Back to Generation
Common Problems with the Fuel Pump in a 2022 Toyota Highlander

The fuel pump in a 2022 Toyota Highlander, part of the fourth generation (XU70), can encounter various issues, although they are relatively rare. Here are some common symptoms and problems associated with the fuel pump in this model:

Tools Required
  • Fuel pressure gauge
  • Multimeter
  • OBD-II scanner
  • Basic hand tools (screwdrivers, wrenches, pliers)
  • Safety glasses and gloves
  • Fuel line disconnect tool (if needed)
Repair Instructions

Step 1: Fuel Pump Replacement

If diagnostics indicate that the fuel pump is faulty, follow these steps for replacement:

  1. Safety First

    • Disconnect the negative terminal of the battery to prevent electrical shorts.
    • Relieve fuel system pressure by removing the fuel pump relay and starting the engine until it stalls.

  2. Access the Fuel Pump

    • For the Highlander, the fuel pump is typically located inside the fuel tank. You may need to lower the tank to access it:
      • Remove any protective covers or shields.
      • Support the tank with a jack and remove the mounting bolts.

  3. Disconnect Fuel Lines

    • Use a fuel line disconnect tool to safely detach the fuel lines connected to the pump. Be prepared for some fuel spillage; have rags handy to clean up.

  4. Remove the Fuel Pump Assembly

    • Disconnect the electrical connector from the fuel pump.
    • Remove any retaining clips or screws securing the pump assembly to the tank. Carefully lift the assembly out of the tank.

  5. Install the New Fuel Pump

    • Install the new fuel pump into the assembly, ensuring that all gaskets and seals are properly seated.
    • Reinsert the fuel pump assembly into the tank and secure it with the retaining clips or screws.

  6. Reconnect Fuel Lines and Electrical Connectors

    • Reattach the fuel lines and ensure they are securely connected.
    • Reconnect the electrical connector to the fuel pump.

  7. Reinstall the Fuel Tank

    • Carefully raise the fuel tank back into position and secure it with the mounting bolts.
    • Reattach any protective covers or shields.

Step 2: Testing the New Fuel Pump

  1. Reconnect the Battery

    • Reconnect the negative terminal of the battery.

  2. Prime the Fuel System

    • Turn the ignition to the "ON" position (without starting) for a few seconds to prime the fuel system. This allows the pump to build pressure.

  3. Check for Leaks

    • Visually inspect all connections for leaks while the system is pressurized.

  4. Start the Engine

    • Start the engine and allow it to idle. Monitor for any unusual noises and check engine performance.

  5. Recheck Fuel Pressure

    • Use the fuel pressure gauge again to confirm that the new fuel pump is delivering the correct pressure.
Conclusion

Following these steps will help diagnose and repair common fuel pump problems in a 2022 Toyota Highlander. Always make sure to follow safety precautions and consult the vehicle's service manual for specific details and specifications related to the fuel system. If you're not confident in performing these tasks, consider seeking help from a professional technician.