Oxygen sensors are not among the maintenance items that need to be replaced regularly, so they typically are replaced only when they fail.

Or, you can just replace your O2 sensor (s) at regular intervals, to try and prevent that minor drop in mpg sometimes caused by a "lazy" high-mileage sensor. Simple Replacement ...

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.

If you do attempt a DIY O2 sensor replacement, it's a smart idea to purchase a vehicle-specific repair manual, like those sold by Haynes and Chilton, to help walk you through the process.

A failing O2 sensor can lead to a drastic drop off in fuel economy and performance. Here are our picks for the best oxygen sensor replacements for your car.

The fault code on oxygen sensors is one of the most time-consuming fault codes to diagnose. So take your time and don't get discouraged.

Replacing the catalytic converter was the most common type of repair in all regions besides the Midwest, where the more affordable oxygen sensor replacement was the most common fix.

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