my scan tool is a nemisys obd2 pretty much tells you anything you would like to know from transmission shifting, miss fire history, kr injector pulse widths you name it she can read it what part of the scan are you interested in the scan only logs while the car is running so kinda a buzz kill were putting it on hp tuners and dynoing it in the next couple weeks just tryin to figure the nitrous out before hand really would like to see how fare people have pushed them