well i just got done with my motor swap and all.. and i know i have to do a CPS relearning process on a tech II.. everything is running great on my car except when it hits around 5800-6K RPMS... it tags the rev limiter almost everytime in my A4... i did the relearn process once on the tech II buit i think it could have been messed up..

if its not that what else could be my problem? all the power is there and everything... only problem is top end shifting.. i can't think of anything else.. no service engine codes as of yet.. all new plugs/wire/ and all.. very clean motor.. runs very smooth..

let me know what you guys think.. Possible Bad O2? let me know!

Thanks guys

 

ttt.? possible trans not getting enough pressure at top end? since the shift kit was removed?