O2 Downstream and Upstream Sensors: Can You Drive Without It? [Explained]

Can you drive without a downstream o2 sensor?

A car’s exhaust system is designed to meet emissions requirements by burning fuel more efficiently. Sensors are used to measure the car’s emissions. The downstream and upstream o2 sensors, for example, tell your vehicle when it needs a tune-up or new catalytic converter so that it can be compliant with EPA guidelines. In this post … Read more