Hi, i've got a k04 1.8t (225 usa audi tt, same as euro a3 8l chassis).
stock engine/turbo.
tune, decat, big tip.
So lately I get low boost. My tune requests like 19psi. but I only see 16 max.
and it's getting worse. it takes forever to spool, and only hits max boost at like 5.5k or 6k. and even...