Hi guys I have a 2002 b6 1.8t that won't boost the boost gauge has 5 hg vacuum from the nipple on the manifold then only goes to 1psi I replaced the turbo as seal was leaking new n75 valve new dv new crank case breather gasket and clip cleaned pipes no leaks if I plug my boost guage into brake booster other side of manifold or by the perge valve I get 25hg vacuum just mot from the nipple on top of manifold driving me insane any1 local to East Sussex that fix audi