idle cotrol valve sounds like the problem, are you getting the engine management light coming on at all- no point in getting the tech2 out on it if its not registering a fault.
cost you around 40 - 50 to get it on tech2 at vaux
hi guys/gals im a newbie just stumbled on this site and thought its excellent and im sure i can get some good information.
i hope that i can also help someone with my knowledge on cars and computers so im sure il be replying to problems in those sections.
see you around
mart