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Ford P0103 Mass Airflow (MAF) Circuit High Air Flow & Voltage Output Code

Learn how to fix fault code P0103: Mass Airflow (MAF) Circuit High Air Flow and High Voltage Output on a Ford Fusion 2013-2020.

Ford P0103 Mass Airflow (MAF) Circuit High Air Flow & Voltage Output Code
ESTIMATED TIME 25 - 35 mins
DIY COST $ 20 - 150
DIFFICULTY Easy

What you will need

Procedure

  1. Unlock the vehicle and go to the driver's seat.
  2. Connect the OBD II Scanner into the OBD II port located below the dashboard.
    OBD II port of the Ford Fusion 2013-2020.
  3. Turn the ignition switch to the accessories position.Twisting the ignition switch to accessories position.

     

  4. Go to the diagnostic menu and select read codes on the scannerGoing to the read codes menu on the scanner..
  5. Select stored codes to see the faulty code.Checking the stored codes on the scanner.

     

  6. The scanner will show faulty code P0103 Mass Airflow (MAF) Circuit High Air Flow & High Voltage Output.Checking the stored codes on the scanner.

     

  7. Turn off the ignition switch.
  8. Open the hood. Click here to see the step-by-step procedure on how to open the hood on a Ford Fusion 2013-2020.
  9. Locate the mass airflow sensor on the driver's side of the engine compartment near the air filter housing.The mass airflow sensor of the Ford Fusion.

     

  10. Pull the red tab under the connector of the mass airflow sensor and pull the connector out to disconnect it.Pulling the red tab below the connector using a pick tool.

     

    Disconnecting the electrical connector of the mass airflow sensor.
  11. Remove the two T20 screws on the sensor using a T20 screwdriver.Removing the T20 screws on the mass air flow sensor.

     

  12. Pull the sensor out.Removing the Mass Airflow Sensor of the Ford Fusion.

     

    Removing the Mass Airflow Sensor of the Ford Fusion.
  13. Insert the new mass air flow sensor.Installing the new mass air flow sensor of the Ford Fusion.

     

  14. Reinstall the two T20 screws on the sensor.
  15. Reconnect the electrical connector of the sensor and push the red tab to lock the connector in.Reconnecting the electrical connector of the Mass Air Flow Sensor.

     

  16. Turn the ignition switch to accessories position again.
  17. Go to the erase codes menu and select yes to erase the codes.Selecting the erase codes menu on the scanner.

     

    Erasing the codes on the Scanner.
  18. Go to the read codes and check if there are still codes on the scanner.

 

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