What problems are you facing with the lpg injection?
I have an emer sequential system on both my landcruisers and gettting the installer to tune it properly was a nightmare.
Getting tuning stuff for lpg injection is near impposible in australia, so i got mine from the uk and tuned it my self runs like a buety know
I use emer which is an italian company (most systems are) not sure of AEB tho
I got my stuff from
http://www.tinleytech.co.uk/You could email and see if they have the cable and sofware for your system
Thanks