i hope no one goes to halfords for carb cleaner :P
either screwfix or toolstation.. £2.50 a can i think i paid!
also spraying into the airbox while running works, i did it on the old focus when the ICV was playing up, sorted the idle out for a month or 2!
just make sure the filter isnt on :P
also in regards to the torx bit, the range sell a little kit in a rubber case with magnetic holder, flat head, phillips, allen and torx which has the bits required in there for a bout £2.99
