If your Check Engine light is constantly trying to get your attention, one possible problem could be a bad O2 sensor. If you do have a failed oxygen sensor, follow these steps to replace it.

One of the most common reasons your check engine light comes on is a faulty oxygen sensor. Here's how to detect problems with the sensors and how to fix them.

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

Q. I am installing a wideband oxygen sensor and am curious about what A/F (air/fuel) ratios to aim for. Here is where I am stuck: I run a 20 percent blend of E85, and with the pump gas also with a ...

Before you head to your ITV (Inspección Técnica de Vehículos) inspection, it’s crucial to ensure your car is in top shape, ...