hey mate did this work as i am having same problems as you (dfi module has been replaced, coils, cas ) and my throttle body is clean taken it to auto sparky and he had a good look and then just said look it may take me a week to find the problem so i cant give you a price on fixing it and he just said id be better off trying myself first i upgraded all the earths in my car and have gone around to the wiring looms and tugged on them here and there trying to get car to stall out. nopthingin has worked
i have changed efi and ignition relays over with other just incase.
is a real head ***