Is it necessary to replace the rear oxygen sensor?

1 Answers
EmiliaRose
07/30/25 2:57am
The replacement of the rear oxygen sensor depends on the situation. If it is severely damaged, it is recommended to replace it promptly. Below is relevant information about oxygen sensors: 1. Principle: The oxygen sensor is a standard configuration in cars. It uses ceramic sensitive elements to measure the oxygen potential in the vehicle's exhaust pipe and calculates the corresponding oxygen concentration based on the chemical equilibrium principle, thereby monitoring and controlling the combustion air-fuel ratio to ensure product quality and compliance with exhaust emission standards. 2. Advantages: Oxygen sensors are widely used in the atmosphere control of various coal, oil, and gas combustion furnaces. They represent the best current method for measuring combustion atmosphere, offering advantages such as simple structure, rapid response, easy maintenance, convenient use, and accurate measurement.
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