How does oxygen sensor work?Modern Internal Combustion Engines are quite complex mechanisms. Even if the running principle is the same, there are four strokes, there are a lot of electronic systems, that help us to get more power from our engines. Moreover, modern Environmental Policies are very tough, so if you want to sell you car, or your engine it must be approved by Euro 5 or Euro 6 certificates. This is very benefic, because cars are becoming cleaner, and taking in consideration, that number of cars is permanently growing – this is a mandatory condition, if Humanity wants to breathe.
Once with introducing those environmental norms Automotive Manufacturers started to produce more efficient engines, and the first new part, that came to serve and protect our planet from exhaust gas invasion was oxygen sensor. This sensor is also called Lambda Sensor. For those who has no clue about this – this is a quite expensive part, and in case if this part fails – your car start to consume fuel like a hungry hippo, at the same time you have a huge power loss, moreover, it stinks like hell!So how does the system works? Actually there are two sensors: one is before the catalytic converter, and second one is after.
Here You’ll Find Out What Is An Oxygen Sensor And How Does It Work!
Sometimes, there are four: two from each side. Sensor, which is situated before catalytic converter is controlling the quality of mixture, analyzing exhaust gases. After converter sensors are controlling the work of the converter and they are actually the guardians of Environment. However, if first sensor failed – you may face serious issues, because of the improper mixture. It analyzes whether it is rich or lean, trying to find the best option, that`s why this part is hard-worker. Oxygen sensor is working on molecular level, and in fact is quite complex part, that`s why it hurts badly, when it fails. Check out the animation to see the process of analysis from inside.