Dazza mate welcome on board the nuthouse and we are sure that you will fit right in!!! I suggest that you need to stop changing everything cos you may never find the problem, sods or Murphys law and all that. You need to find an independent VAG specialist and get the car hooked up to his software to start to understand something. OR you purchase the Ross Tech VCDS system and start hooking it up to your car, clear out all of the errors and then see what comes back. Good luck!!