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 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.

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