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Lambda Sensor Replacement Ford Focus MK3

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

In this video tutorial, you will learn how to remove and replace the lambda sensor on a Ford Focus Mk3. Open and lift the bonnet and first locate the lambda sensor, which is found behind the engine block; then disconnect the electrical connector of the sensor and unscrew the fixing bolt of the sensor using a socket spanner. At this point, remove the lambda sensor along with the wiring, as shown in the video: simply replace it with the new one and apply the reverse procedure for reassembly!

Updated on 2 May 2026 by ScegliAuto

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