I have looked all over the place for air leaks on mine and found nothing at all.
Coils could be a one to try. need to find some spares
I took all my plugs out and they seemed to be ok, but its not really a full on misfire as such is it.
been doing some logging and stuff today.
firstly I have a voltage of 12.8 volts at tickover, i would have thought that should have been in the region of 14.5v? can someone check that?
had another check for leaks, couldnt really find anything.
So, I have decided, tomorrow I am going to take my rocker cover off, and have a look see if I can see anything.
My mate was saying the inlet cam sits in a naturally advanced state, and for some reason its not retarding properly. I think the the oil way into the VVT could be blocked, as there its a small opening and there is a very fine gauze over the inlet, which i reckon could block very easy.
will report back tomorrow night.
I have been given lots of spares by my mate who put and A3 3.2 lump into a mk3 golf, and had to get it running on r32 management (different sprockets etc. )