Poochy> Did you try the foot behind the accelerator pedal trick? If it made it go back to normal, then it's definately a pedal swap mate.
I'd love to confirm it fella, but they still have my car lol, when I get it back, i'll see if they give me a receipt of work done, then i'll let you know what they call the part etc.
Do NOT take no for an answer from them, it's a known fault, the technician there said he'd done them before (didn't mention if it was a Cupra\FR specific fault either so I reckon it's common on all models)
But this would definately affect mpg, if you imagine your driving along, but the revs are helping themselves up a little more than they should etc!
Shorter ratio gearbox, i doubt anyone with a cupra tdi would get anywhere near that tbh.
I was wrong, it just took some getting used to that's all...
I am getting 385 miles to a tank, and thats with me not leaving it til empty, more like 1/2 way between 0 and 1/4. So would probably get 400 quite easy if I wanted too.
Anyway, that's on work commutes etc, which is not exactly long distances, so clearly on a long journey i'd be getting more...
Actually very impressed now! Definately loving the Tdi!