Understanding how oxygen sensors work will help you diagnose problems without having to rely completely on a repair shop. Oxygen sensors act as low-voltage producers, such as how a microphone uses ...

How Do Oxygen Sensors Work? Oxygen sensors are a key part of the vehicle emissions system. They measure the differential oxygen levels between the outside air and the exhaust gas to generate a voltage ...

An oxygen sensor is a fairly innocuous-looking device, about the size and shape of a small child's finger. The body of the device is made from a zirconia ceramic with a metal base that screws into ...

Understanding Oxygen Sensor Performance Though mechanically complex, these instruments are easy--and vital--to use. By Bob Henderson May 01, 2005 OXYGEN deficiency is one of the most common of all ...

When Should I Replace The O2 Sensor? The answer to this question is complex, as these sensors are not your standard maintenance items. No indicator lights on your dashboard or other means could hint ...

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