Hello,
I was hoping I could get some help troubleshooting a boost issue that just came up on my 1999 1.8T. The car was driving fine the night before, and then yesterday when I started it up and started driving, I couldn't get past 0 psi and obviously the car is extremely sluggish.
I'm getting good vacuum so I don't think it's leak in any of the lines.
There aren't any CELs, Vag-com is only showing a code for the throttle body that's been there for years.
My initial thought was that it was the N75 valve, so I removed the line from the valve to the wastegate to test it and still no boost.
The turbo only has 10k miles on it, bought it new from G-pop shop.

I'm really hoping my turbo isn't already shot, but it's hard to tell if it's spooling. What else could it be? Wastegate stuck open?

Any tips for what to look at next?

Mike