Monthly Archives: August 2021

How Many Oxygen Sensors Are There In a Vehicle?

How Many Oxygen Sensors Are There In a Vehicle?

The oxygen or (O2) sensor is a car part that you probably don't think much about. In fact, most people probably don't even know what it is or what it even does. However, you should know that it is essential for your vehicle to function normally or perform effectively.   An oxygen sensor or O2 sensor is the piece in your car that reads and detects the oxygen level within your exhaust system. It sends continuous data regarding the amount of unburnt oxygen in the exhaust system to the engine's computer to determine the proper air-to-fuel ratio. The O2 sensor is composed of ceramics and includes many porous holes, which are coated in platinum and enclosed by a threaded case.    All vehicles sold in the US are required to have catalytic converters in each exhaust pipe. These catalytic converters transform harmful fumes, such as carbon monoxide, and turn them into less safer gasses. Every catalytic converter needs to be paired with a couple of O2 sensors. There ... read more

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