OK,
Getting the passat fixed at dealer, it is an t valve with a check valve that is stuck open, creating an internal vaccume leak. This is why there is no damaged hoses or intercooler problems. Going to replace the hoses and the valve body as well. they said it was near the intake somewhere.
Diagnosis was going to cost $85, parts to fix were $120 ish so i just decided to let them do it all for $320....
They said 2 hours to do, somthing about the intake needed to come off...
KC