i have a 53 plate 1.4 16v sport and was wandering if it was an arosa thing or not,,, when you press the accelerator pedal theres the first half inch of pedal that doesnt do anything?? like you caN REST YOUr foot on it and it wont raise the revs?.... unlike my old polo which is cable not electronic which is alot more sencitive and you can feel the throttle as soon as you touch it,,,,, can any one help???