Latest automobiles are more and more furnished with new technologies, apart from the comfort of use it can provide, technology also has the advantage of saving fuel or reducing the pollution emitted by our automobiles. This is exactly the subject matter of our article content of the day, we are going to look at the complications of the lambda sensor on Toyota Yaris , this sensor also called oxygen sensor plays an essential purpose. To find out, first, we are going to identify what a lambda probe is used for, then, what are the lambda sensor complications on Toyota Yaris and how to solve them.

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What is a lambda purpose on Toyota Yaris?

So we begin our content page with the interest of a lambda sensor on Toyota Yaris , we will first discover what is the function of this probe and then how it works.

Role of a lambda sensor on Toyota Yaris

First designed by Volvo in the 1970s, it began to show up on our cars in the 1990s with the first EURO 1 emission standards. Also called oxygen sensor on Toyota Yaris , its objective is to regulate the amount of oxygen in the exhaust gases, this will enable the engine unit to modify the air/fuel mixture to reduce the pollution emitted by the car and lower the car’s fuel consumption.

Lambda sensor process on Toyota Yaris

Before describing you the different complications of lambda probe on Toyota Yaris , we will look a little more in detail at its functioning to allow you to understand exactly how it works and thus to consider more serenely the correction of a problem related to it.
As we informed you, a lambda probe has the task of controlling the amount of oxygen present in the exhaust gases . One could naively believe that this data is calculated upstream of the combustion but it is on the contrary measured at the engine outlet . With the EURO 1 standard there was just one lambda sensor required before the catalyst, but with the arrival of more drastic standards there are now 2 lambda sensors, one before and one after the catalyst . The interest is to have more precise data by compiling the two probes. These data are sent to the ECU which will modify the quantity of air and gasoline inserted into the engine unit to improve the combustion .

Lambda sensor issue on Toyota Yaris

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Finally, we are now going to attack the part you are undoubtedly most enthusiastic about this content page, how to proceed if you have a lambda sensor issue on Toyota Yaris . In a first step we will discover how to identify a lambda sensor HS and in a second step how to replace it.

How to know if a lambda sensor on Toyota Yaris is HS

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It is essential to know that a lambda sensor has generally speaking a lifetime of 150 000 km , this statistics can differ according to the year of your Toyota Yaris, your driving, and the good working of your engine unit. A poorly looked after engine unit that releases unburned gases may completely damaged your lambda sensor. One of the clues that can notify you of a defective lambda sensor on Toyota Yaris might be the engine unit light turns on, if you want to turn off the engine light of your Toyota Yaris, do not think twice to consult our dedicated content page to discover the procedure to follow. The only effective technique to be sure that you have a lambda sensor issue on your Toyota Yaris and to complete your car to the diagnostic case, for that do not think twice to consult our tutorial which explains you Toyota Yarishow to read the fault code of a Toyota Yaris. Take note that if you have complications with one of your lambda sensors, the just solution to correct them will be to replace the defective sensor.

How to replace a lambda sensor on Toyota Yaris?

And at last, we are going to focus on the correction of lambda sensor problems on Toyota Yaris , by describing how to replace a lambda sensor.

The replacement of a lambda sensor is quite basic to carry out and you will be able to do it yourself with a minimum of tools and mechanical know-how. A lambda sensor is worth between 25 and 50€ , it is better to replace the 2 lambda sensors present upstream and downstream of your catalytic converter because if one of them is defective the second one risks to drop you fairly quickly. To replace it, it will be necessary to put your Toyota Yaris on candles and at the level of your catalyst unscrew your probes, disconnect them, reconnect them and screw the new ones . Once re-connected, you should not have any more complications with your lambda sensor on Toyota Yaris.

In the event that you have any further questions about the Toyota Yaris, do not hesitate to consult our Toyota Yaris category.