I was just reading through your thread and think its amazing that all of you have the ability to perform such complex work. I am currently trying to decide what to go to college for and was wondering what type of degree some of you have and what you would call your line of work? Also, is it possible to just hook this to your OBD II port such as in this website.
http://www.obddiag.net/projects.html
I think fuel injector pulse information comes through the OBD. Isnt that how the scan gauge works?