hi i found the problem with my misfire! i changed coilpacks and plugs after i found a destroyed plug lol and i now have found out i have melted apiston on cylinder four due to the injector failing!!!im totaly wounded and im hopeing all i need is a piston and a few other bits!ive manged to get a set of rings already and im gonna order my pistn fron the states as its a je low compression race piston!just hope thevalves havent bent and the bore is ok or im gonna need a new block!!totally sick a ive only had the car 6 weeks!!!!!!!nevermind!!!!