Welcome to TDI Club!
My main recommendation would be to get ahold of
VCDS.
If you're serious about keeping the car for some years, it will pay for itself in short order.
I'd like to see the timing graph to get an idea of how your injection pump is behaving.
I would also make sure the timing belt (and everything the belt touches) is "within date".
Verify physical timing, scan for codes, and look at the timing graph in VCDS.
Also look here for an excellent search engine tuned to this (and other Diesel-related) website(s):
I've been enjoying the tdiclub.com community for a few years now but I've found the built-in forum search tools a bit unsatisfying. After reading the ump-teenth "do a search" reply today it seems like some of you may feel the same way so I decided to make a new Google-powered search tool I'm...
forums.tdiclub.com
There are at least several threads devoted to the problem you're seeing!
