i did diagnostics on mine, all that came up was hall sender on dizzy cap.
Seem to recall reading on Mk3 Golf forums that VAGcom wasn't showing Crank Sensor problems?
I just priced crank sensors a couple of days ago while finding out if anyone had them on the shelf, in case none of the other fixes for my poorly AGG work out...
Euro: not listed
GSF: on the shelf, 18.90+tax
Andrew Page: on the shelf, just under 40+tax
Seat dealer Parts counter, Available to order, iffy ETA, just under
190+tax
Just goes to show the power of shopping about...