AUDI S3, REVO MAPPED 260 bhp
i've been having a problem with my s3 when it goes over 4000 revs, it starts to judder. orginally, on vag com i had the g28 and g40 code come up. changed the timing tensioner and chain, and that got rid off the codes. now i'm still getting the juddering, but no codes are coming up on vag com?! i thought it could be the maf so i disconected that today but it was still happening. could this be a mapping issue??
can anyone shed any light!