How does O2 sensor work?

An oxygen sensor is standard equipment in all cars. An oxygen sensor helps to ensure that the car runs efficiently while generating minimal emissions. The car’s performance and mechanism are enhanced by oxygen sensors. If you want to learn more about dummy o2 sensor, please visit this page.

The engine’s o2 sensor works as a chemical generator. It is the only component that can generate its own voltage. The vehicle engine must heat the o2 sensor to approximately 316 degrees C before it can work. The heating elements in new cars heat quickly so that the oxygen sensor can work fast. Once the temperature is reached, the oxygen-ions pass through the ceramic. This causes the zirconium dioxide to generate an electrical charge. Because the exhaust manifold has a greater oxygen content than the air outside, a higher level of electrical charge can be developed.

This electric charge is stored in the platinum electrodes, which then send it through wires to computer of car. The computer can use the strength of this charge to determine if the fuel: air ratio is too low, high or perfect. If the air content is less than the recommended ratio, the engine will burn more fuel. This is also known as a “rich mix”. This is dangerous as unburned gasoline can pollute. The “lean mixture”, which has more oxygen than the recommended ratio, is the opposite. This is not a good idea as lean mixtures have been known to produce nitrogen oxide pollutants. They also tend to decrease the engine’s performance and cause damage. The oxygen sensor is located in the exhaust tube to detect lean or rich mixtures. The sensor produces a chemical reaction, which generates a voltage. The mixture is then determined by the computer and adjusted accordingly by the engine.

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