1998 Fiat Coupe 20v Turbo Diagnostic socket is in the engine bay Drivers side its a little 3 pin plug its about 4-6 inch away from the auxiliary belt hope this helps im in leeds on monday ls6 in the morning and ls26 in the afternoon if you want me to plug my machine in for you i have diagnostic coverage on the engine, brakes, and Air Con hope this helps if you want a pic of the the location just ask
That would be great buddy, Having probs with car only reving upto 4500rpm then nothing more....also enigine managment light on...not good as i want my little baby up and running again lol.