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Replacing the Lambda Sensor on the Ford Focus MK3 1.0 Ecoboost

Model: Ford Focus MK 3 - Years 2011-2018
Part: Oxygen sensor

In today's video tutorial, you will see how to remove and replace the oxygen sensor or lambda sensor on the third series Ford Focus with the 1.0 Ecoboost engine. First, open the bonnet of your car and start by disconnecting the electrical connector of the sensor, which is located at the bottom; then use a socket wrench with an extension or a spanner to unscrew the lambda sensor, as shown in the video. At this point, replace the oxygen sensor with the new one, connecting it correctly and performing an emissions test to ensure it is functioning!

Updated on 22 April 2026 by ScegliAuto

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by ScegliAuto

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