P0131 Ford F150: A Comprehensive Guide to Sensor Replacement and Error Code Clearing

In this blog post, we are going to go through the process of changing the O2 sensor bank one sensor one on a 2013 Ecoboost. This process can help you when the check engine light comes on and stays on without flashing. The specific error code that was pulled using an OBD2 reader was P0131. The O2 sensor in question is located on the passenger side of the engine.

Changing the O2 sensor is a relatively straightforward process and can be completed in about 30 minutes with the right tools. We will guide you through the steps to successfully replace the O2 sensor without the need for professional help.

Step 1: Disconnecting the Sensor

Start by disconnecting the old O2 sensor from its clip. The bank one sensor one is the first one along the exhaust and is relatively easy to locate.

Step 2: Removing the Old Sensor

Once disconnected, use a wrench to loosen the old sensor. This might require some force, but eventually, the old sensor can be removed.

Step 3: Installing the New Sensor

After removing the old sensor, compare it with the replacement part to ensure they are identical. Applying some anti-seize on the new sensor can help with future replacements.

Step 4: Reconnecting the New Sensor

Once the new sensor is in place, reconnect it to the clip and secure it properly. Remember to double-check everything before moving on to the next step.

Step 5: Testing and Clearing the Error Code

After installing the new O2 sensor, clear the error code using an OBD2 reader and check for any remaining issues. With the new sensor in place, the error code should be cleared, and the check engine light should turn off.

Final Checks

After the replacement, it’s important to check for any remaining error codes and ensure that the new sensor is functioning properly. In this case, the readings for the bank one sensor one showed okay, and the check engine light was gone.


Changing the O2 sensor on your vehicle is a simple task that can save you a lot of money in repair costs. In this case, it resolved the check engine light issue without the need for professional intervention. It’s important to keep an eye on any error codes and address them promptly to ensure the smooth operation of your vehicle.

Thank you for reading!

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