If you’re wondering how to tell the difference of upstream vs. downstream O2 sensors and how to find bank 1 or bank 2 of your car, check out the tips from our expert mechanic in this article and video.
If you’re wondering how to tell the difference of upstream vs. downstream O2 sensors and how to find bank 1 or bank 2 of your car, check out the tips from our expert mechanic in this article and video.