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Replacing Lambda Sensor on Ford Fiesta

Model: Ford Fiesta MK V, MK 5, Fiesta 5 - Years: 2002, 2003, 2004, 2005, 2006, 2007, 2008
Part: Oxygen sensor

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Video tutorial

Today, we will see how to remove and replace the lambda sensor on a second-generation Ford Fiesta. First, open the bonnet of your car and locate the lambda sensor, which is situated at the top of the engine: disconnect its electrical connector and unscrew it using a socket wrench with an extension.

At this point, replace it with the new one, screwing it in by hand first and then tightening it with the wrench; test its operation and then check by starting the car, resetting any engine light that usually comes on when there is a malfunction with the lambda sensor.


Updated on 1 April 2026 by ScegliAuto


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by ScegliAuto

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