One of those issues could be your oxygen sensors, but what do they actually do? Oxygen sensors are tiny pieces of technology located in multiple spots in a vehicle. Most cars come with at least two.

Stricter environmental controls and the requirement to create less pollution has led to far more complex automotive exhaust systems. Your car could have one or more oxygen sensors fitted.

How many oxygen sensors does a typical car have, and what factors determine this number? Additionally, how do their placements affect engine performance and emissions control?

A look at what Bosch has done with the oxygen sensor. Find all the details inside Popular Hot Rodding Magazine.

Replacing a faulty oxygen sensor is the only viable solution to get your car running properly again. To this end, this article provides a step-by-step guide on how to replace a faulty oxygen sensor.

One very important sensor in a car is a knock sensor, and if you're wondering what it is, that's the subject of this guide.

The oxygen sensor was replaced but the 'check engine' light won't go out. Now what? Which octane fuel is best? AAA's Car Doctor has answers.

Your vehicle's MAP sensor plays a crucial role in keeping it performing at its best. Here's how it works and the warning signs that it might be failing.

The oxygen sensor was replaced but the 'check engine' light won't go out. Now what? Which octane fuel is best? AAA's Car Doctor has answers.