Making Sense of Sensors: The Oxygen Sensor - Delphi …
https://www.delphiautoparts.com/resource-center/article/making-sense-of-sensors-the-oxygen-sensor
WEBThe oxygen sensor, otherwise known as the O2 sensor, does what its name suggests – it measures the amount of oxygen in the exhaust. While this may sound like a fairly modest task, the O2 sensor is actually one of the most important sensors on any vehicle, responsible for keeping the right balance between air and fuel for optimal emissions.
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