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What is the normal oxygen sensor voltage?

1 Answers

JudeLynn

07/24/25 5:13pm

Normal oxygen sensor voltage is around 1.6 volts. More information about oxygen sensors is as follows: 1. The oxygen sensor is a standard configuration in automobiles, using ceramic sensitive components to measure the oxygen potential in the exhaust pipe of the car. Based on the chemical equilibrium principle, the corresponding oxygen concentration is calculated to monitor and control the combustion air-fuel ratio, ensuring product quality and exhaust emissions meet standards. 2. Oxygen sensors have the advantages of simple structure, rapid response, easy maintenance, convenient use, and accurate measurement. 3. The oxygen sensor can compensate for the air-fuel ratio errors caused by wear and tear of mechanical and fuel injection system components, making it the only "intelligent" sensor in the fuel injection system. 4. The function of the sensor: to determine whether there is excess oxygen in the exhaust gas after engine combustion, i.e., the oxygen content, and convert the oxygen content into a voltage signal transmitted to the engine computer, enabling the engine to achieve closed-loop control targeting the excess air factor.

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