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Where is the Car Oxygen Sensor Located?

1 Answers

SanAurora

07/30/25 9:30am

The car oxygen sensor is installed behind the exhaust manifold, with one sensor positioned before and after it. The oxygen sensor is a crucial sensing component in the electronic fuel injection engine control system, playing a key role in controlling vehicle exhaust emissions, reducing environmental pollution, and improving the fuel combustion quality of the car engine. The oxygen sensor uses a ceramic sensing element to measure the oxygen potential in various heating furnaces or exhaust pipelines, calculates the corresponding oxygen concentration based on chemical equilibrium principles, and monitors and controls the air-fuel ratio inside the furnace to ensure product quality and compliance with exhaust emission standards. It is widely used in atmosphere control for various coal-fired, oil-fired, and gas-fired furnaces.

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