Mate i spent 25k on that motor and built most of it myself the als use to work fine that is what the red switch is for but i changed the tps on it before i sold it and never put it back in the right postion!. The car needs remapping it was overfulling a tad as of the tps etc. you need to have it mapped oh and she use to detonate to fck when i used the nos it also needs to be mapped in!!

You gotta a proper bargain 4k was so bloody cheap

Taz

if you have any probs give us a bell or i try help u on forum