AFR = air fuel ratio,the xcal1 is no longer able to be used by tuners,so you either can buy an Xcal3 and have 3 tunes on it or get a VCM tune.Good luck with it and let us know the outcome.
Trent, I'll most likely be working saturdays for quite a while,so I would be able to stay saturday night,but wouldn't get up there till after lunch on the saturday.so I'm easy either way, day trip or 1 day sleepover.
nah mate,it used to do it before my battery went flat,after charging and refitting the battery it doesn't do the sweep test,only the backlight works.(no pressure reading).