hi imhavin a problem starting my s2 i have been through everything to do with the ignition like plugs, dizzy, rotor, starter, leads, coil, they are all good the fueling is good but it wont start if i take out an injector then put it bk in it will start but then if i turn the engine off and leave it it wont start again untill i do the injector think does anyone have any ideas. thanx