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What is a lambda probe and what is its purpose?

Model: (Various brands) Various
Part: Oxygen sensor

Video tutorial

The lambda probe is an electronic sensor installed in the vehicle's exhaust system. Its task is to measure the amount of oxygen present in the exhaust gases after combustion.

The information provided by the lambda probe is very important for the correct functioning of the engine and to reduce polluting emissions. Its main functions are: optimizing the air/fuel ratio; controlling polluting emissions; signaling variations in the fuel system, which help professionals - but also amateurs - in engine diagnostics.


Posted on 6 November 2025 by ScegliAuto


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To remove the rear seat of a Hyundai Tucson, follow these steps. Start by moving the front seats to their most forward position to gain space. Next, locate the release lever on the underside of the rear seat, near the floor. Press this lever down while pulling the seat upwards to unlock it from the anchor pins. Once unlocked, tilt the seat upwards and forwards to remove it from its position. Repeat this process for both sides of the rear seat. Be careful of any electrical cables or components that may be connected to the seat during removal. Once the rear seat is removed, the disassembly is complete.

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by ScegliAuto

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