O2 sensors and air-fuel ratio sensors are essential for controlling emissions and ensuring efficient engine operation. These sensors provide critical data to the ECU for optimizing air-fuel mixtures ...

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 days of the zirconia upstream oxygen sensor are behind us. Vehicle manufacturers have moved to what is commonly known as the air/fuel ratio sensor, or AFS. With the change in technology has come a ...

Silly me. For the longest time I thought “Stoichiometric” was the name of some hockey player from Quebec, or a small village in Russia. Well, it turns out stoichiometric is a really important ...

Don't let failing oxygen sensors compromise your engine's performance. O2 sensors are critical to emissions control on your car, SUV or truck. As the name implies, the O2 sensor (also called an ...