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How to Replace the Lambda Sensor on the Ford Focus?

Model: Ford Focus MK 3 - Years: 2011, 2012, 2013, 2014, 2015, 2016, 2017, 2018
Part: Oxygen sensor

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Video tutorial

To replace the lambda sensor on the Ford Focus, open the bonnet to access the components inside the engine bay: at the rear of the engine block, just below the windscreen, you will find the sensor. Remove it from its seat by loosening it with the appropriate spanner and disconnecting it from the cable.

This will allow you to insert the new sensor, connecting it to the cable and placing it back in its seat. This way, you can verify that everything is functioning correctly.


Updated on 6 July 2026 by ScegliAuto


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