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Ford P0108 Fault Code – Manifold Pressure Sensor Replacement

⌂ » Vehicles » Ford » Fusion » 2013–2020

Posted onJan 26, 2022Jan 2, 2023 Updated onJan 2, 2023

A Ford vehicle may trigger fault code P0108, which means Manifold Absolute Pressure/Barometric Pressure is High. The ECM activates this code when it receives a signal from the MAP/BARO sensor circuit, indicating it operates outside the normal range.

This guide shows how to diagnose check engine light using an OBD-II Scanner and replace the manifold pressure sensor on a Ford Fusion 2013-2020.

What you will need

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  • OBD-II Scanner
  • 20mm socket wrench
  • Ford Fusion Manifold Pressure Sensor

Procedure

  1. Unlock the vehicle and go to the driver’s seat.
  2. Connect the OBD-II Scanner to the OBD-II port located under the dashboard just above the hood release.
    youcanic ford fusion img 3434
  3. Turn the ignition switch to the accessories position.Turning the ignition switch to the accessories position.
  4. Go to the Diagnostic Menu on the scanner and select read codes.Going to the Diagnostic Menu on the Scanner.
  5. Press enter on the stored codes, and the scanner will show P0108 Code – Manifold Absolute Pressure/Barometric Pressure Circuit High.Checking the stored codes on the scanner.
  6. Open the hood by pulling the hood release under the dashboard. Release the hood at the latch right above the driver’s headlight.https://youtu.be/FKRsgPELCn0
  7. Locate the manifold pressure sensor on the lower right side of the intake manifold.
    youcanic ford fusion img 3402

     

    The manifold pressure sensor of the Ford Fusion.

  8. Disconnect the sensor’s electrical connector by pressing the clip and pulling the connector out.Disconnecting the electrical connector of the Manifold Pressure Sensor.
  9. Remove the 20mm bolt on the sensor using a 20mm socket wrench.
  10. Pull the manifold pressure sensor out of the vehicle.
  11. Place the new manifold pressure sensor and reinstall the 20mm bolt.
  12. Reconnect the electrical connector of the sensor.
  13. Go back to the driver’s seat.
  14. Go to the diagnostic menu again and select erase codes.Selecting Erase Codes on the Diagnostic Menu.
  15. Erase the stored codes on the scanner by pressing enter.Erasing the Stored Codes on the Scanner.
  16. Start the vehicle and check if the check engine light is still on.

Check Engine Light On

YOUCANIC UCAN2 SCANNER

If the Check Engine Light is on after replacing the manifold pressure sensor, you can use the YOUCANIC Full System Scanner to reset the Check Engine Light. This scanner can also read and clear fault codes through every vehicle’s control module.

We hope you find the Ford P0108 Fault Code – Manifold Pressure Sensor Replacement guide helpful. Check these troubleshooting and repair guides for more help on your Ford.

Author

  • Rushit Hila • ASE Certified
    Rushit Hila • ASE Certified

    Rushit Hila, an ASE-certified engineer (G1 Automotive Maintenance and Repair), brings over two decades of hands-on experience in the automotive world to his writing. With a strong educational background, including a Master of Science in Engineering and a Bachelor of Science in Engineering, he has honed his skills and expertise through years of practical work. As a respected authority in the field, Mr. Hila is dedicated to offering insightful and valuable content that resonates with both vehicle owners and mechanics.

    View all posts

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