am i right to say the ecu can be accessed via a harness ?
if so, is there a computer program cheap/free and simple enough to use to access the ecu realtime info? can DIY?
I heard of a fren who is using miss firing system on his haltech E6K. Anyone can elaborate on how to activate this system on E6X? Need any external support?
What other system that have on E6X I can use for...