Do it yourself
Frequently asked questions about cars and motorcycles
  1. Car
  2. : Oxygen sensor

Oxygen Sensor - DIY video guides

Citroen C3 (2016-2023 / SY, SX)
How to Fix Error P2270 (Lambda Sensor) on a Citroen C3

Error P2270 indicates a malfunction of the downstream lambda sensor (the one after the catalyst), but the real issue may be the upstream sensor (the one that …Read all…
Posted on 3 September 2026 by ScegliAuto
Dacia Duster (2017-2024 / HM, MK 2)
How to Replace the Lambda Sensor on a Dacia Duster

The Dacia Duster 1.6 petrol has two lambda sensors: one on the exhaust manifold (upstream of the catalytic converter) and one after the catalytic converter. …Read all…
Posted on 28 July 2026 by ScegliAuto
BMW X1 (2009-2015 / E84)
How to Replace the Oxygen Sensor on a BMW 1 Series

Replacing the oxygen sensor (or lambda sensor) on a BMW X1 with an N20 engine requires some patience. The sensor is located under the hood, on the passenger …Read all…
Posted on 20 July 2026 by ScegliAuto
Suzuki Celerio (2014-2023 / MK 2)
Replacing the lambda sensor on the Suzuki Celerio

Let's see how to replace the lambda sensor on the Suzuki Celerio: The engine light was on, and the code P0037 indicated a fault in the heating circuit of the …Read all…
Posted on 2 July 2026 by ScegliAuto
Ford Focus (2011-2018 / MK 3)
How to Replace the Lower Lambda Sensor on a Ford Focus 2.0L

In this guide, you will discover the main instructions on how to remove and replace the lambda sensor on a Ford Focus 2.0L. First, raise the vehicle and locate …Read all…
Posted on 7 April 2026 by ScegliAuto
Volkswagen Golf (2012-2019 / Golfvii, MK 7, Golf7)
How to Replace the Oxygen Sensor on a Volkswagen Golf 7.5

The oxygen sensors on the Volkswagen Golf 7.5 for both the TSI and TDI engines are two: the upstream sensor is located on the exhaust manifold (or just after …Read all…
Posted on 17 March 2026 by ScegliAuto
(Various brands) Various
What is a Lambda Sensor?

The lambda sensor is an oxygen sensor located in the exhaust manifold that measures the amount of residual oxygen in the exhaust gases after combustion. It …Read all…
Posted on 27 February 2026 by ScegliAuto
(Various brands) Various
Symptoms Indicating a Faulty Lambda Sensor

There are clear signs that indicate our lambda sensor is faulty: first of all, the engine warning light is on. The vehicle seems to operate normally, but the …Read all…
Posted on 9 February 2026 by ScegliAuto
Peugeot 208 (2019-2026 / UB, UJ, UP, MK 2, UW)
How to remove and clean the Lambda sensor of a Peugeot 208

Let's see how to proceed with the removal and cleaning of the Lambda sensors on a Peugeot 208: these are located upstream of the catalytic converter and are …Read all…
Posted on 18 January 2026 by ScegliAuto
(Various brands) Various
Usage and installation method of the Lambda Sensor

The lambda sensor measures the amount of residual oxygen in the exhaust gases. In fact, it is also called an oxygen sensor. It is named "lambda" because in …Read all…
Posted on 21 December 2025 by ScegliAuto

How to Reset the Central Locking of the Volkswagen Golf 4?

If the central locking system of the Volkswagen Golf 4 is not working, it is likely necessary to reset the system: to do this, open the driver's door and detach the side panel of the dashboard next to the steering wheel. Under this panel, you will find the fuses, including the one for the central locking, which is indicated in the manual as number 14. To reset the system, remove this fuse from its housing, then reinsert it or replace it with a new one of the same amperage: this will reset the central locking system.

Watch the video!


by ScegliAuto

More videos