When was the last time you thought about your vehicle's often overlooked parts, like the O2 sensor? The truth is that the O2 sensor serves a very important purpose and it can go bad, which means you ...

Oxygen sensors measure how much oxygen is left in an Audi’s exhaust and report it to the engine computer. That information ...

There are numerous sensors installed in your vehicle that measure conditions within the engine and exhaust system. Each sensor plays a role in monitoring a specific process. In the case of oxygen ...