Where and how could I learn to use a scan tool like Scotty. Are there separate classes for that at schools?
It's more or less a learn as you go, and every scanner is different. If you looking at Scotty's, I believe his was about $1k-5k universal scanner.
It's pretty self explained. There are specialty classes like snap-on's program. But that's for their own specific thing. If you are looking just for codes that is what most people need you can get that done with a 10$ Amazon scanner. If you are looking for specific stuff like reading and programming, then you maybe would to go more expensive, especially if working on more than a few cars.
Reading codes and erasing them is just following the instructions on the thing. When looking for more specific things like o2 sensors or hall sensors then one more advanced maybe necessary. Or reprogramming systems and the like.
This all being said, for personal use I use a blue driver which connects the scanner via Bluetooth to my phone for personal use and it's about $100 bucks. It's good enough.
I was thinking more of learning about live data and misfires, Etc. Thanks for the info dude.
Yeah I would recommend you the blue driver. There are others around the same price that are same concept but blue driver is the only company that I've seen that constantly rolls out updates and new drivers to fix bugs and whatnot. For looking at live data, it's pretty intuitive as well albeit slow on first start up cause it needs to "learn your car(s)" but slow and steady in the least. Their live data is pretty alright being just about a half a second off for say rpm reving from what I've seen. And if there is anything you don't know you can always check out Google or the link above on scannerdanner.