Well iv just iv just plugged it in to my mates scantool and his autosnap and it's not showing any faults but on the way her the car seemed to be better allowing me to rev higher under load but didn't seem like it had full power iv noticed that the manifold was blowing slightly so iv tightend the bolts and il go test drive it later and see if it's any better it's rrli confusing y there's no codes now tho wen it had 1 before for the cat ?