I tried it with the VW tool software and did not see any boost figures on any of the screens, I beleive the dealer attaches a portable VAG unit to manifold and that's how they check it. Not sure though.

I looked this up once in the repair manuals. There is no way of checking this with the VAG tool or any other software. It must be done with another type of tool - but I can't remember the name. It's like some sort of boost pressure gauge is all. <p>JohnS<br>