The Oxygen Sensor (O2 sensor) is the "nose" of your engine’s computer. Positioned in your exhaust system, it constantly ...

The "Check Engine" light is the most feared dashboard notification, but for the Oxygen (O2) sensor, it is a lagging indicator ...

One of the most important measurements we make while tuning an engine is finding out what the actual balance of air and fuel was inside the engine. It doesn’t matter if we have a carburetor, port ...

Hello Paul, I have heard that faulty oxygen sensors are the reason my car is using more fuel than usual. What does this sensor actually measure, and how does it influence fuel efficiency and emissions ...

Your car's exhaust system is one of the most overlooked yet essential components of your vehicle. It does far more than just quiet the engine noise. The exhaust system directs harmful gases away from ...