Car O2 sensor attached to lawnmower exhaust
For some reason, the incident at the end of the video caused the O2 sensor to draw too much current and the multimeter fuse to blow.
I think the readings for lawnmower exhaust were lean due to an air leak in my exhaust set up.
Figuring out the inner workings of this particular O2 sensor:
• How a car's O2 sensor works(+Trying to und...