Hi Guys Right , car was serviced by rob at boss racing couple of weeks ago , hes mentioned all the things you have said so ive got a new set of spark plugs handy , 4 new coil packs , a new TPS , a coil sub loom , and an injector sub loom , he rekons they are all plug and play , so i take it from what you've all said i should have everything covered , what do you think? so as to not waste my track day !! , fingers crossed