Your car's O2 sensor can cause rough running, bad mileage, and inspection nightmares. Can a quick clean save the day? Here's what you need to know.

When we got the invitation to tour Bosch's oxygen sensor plant in Anderson, South Carolina, it had all the allure of eating a sand sandwich. Let's face it, oxygen sensors aren't the most glamorous ...

The Oxygen (O2) sensor is arguably the most critical electronic component for your engine’s efficiency. Often referred to as the "nose" of the engine, it continuously monitors the amount of unburned ...