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How to Replace the Lambda Sensor in the Toyota Yaris?

Model: Toyota Yaris Xp10 - Years: 1999, 2000, 2001, 2002, 2003, 2004, 2005
Part: Oxygen sensor

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Video tutorial

In this video, you can see how to replace the lambda sensor in the Toyota Yaris. For this operation, you need access to the underside of the vehicle, so lift the car on a ramp or alternatively, use a jack while taking all necessary precautions.

First, disconnect the connector using a long screwdriver and pliers. Next, clean the area around the sensor, spray some WD40 on the threads, and unscrew it using a 22mm spanner.

Install the replacement following the reverse procedure and, if necessary, restore the threads of the housing.


Updated on 8 June 2026 by ScegliAuto


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by ScegliAuto

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