I was out in the car today and it was workin fine but boostin like mad and very very happy then picked up a mate and the gt died and its missin like mad now and cant see for the life of me what it is .. can anyone help me theres a spark goin to the car too .. has me baffled when I go to 3rd gear it looses the small bit of power it has and itz not boostin either and not going past 60kmh Anybody at all with ideas for me