changed my car the other week from a 1999 1.8t quattro to a 2000 a3 1.8 t sport engine code AUM gotta few little q's ide like some help with?? 1: bit of a boost problem floor it in any gear an its boost for a second an goes off for a second then comes back on for a second an so on through the entire rev range kinda feels like a pulsing effect as if its putting the boost out in bursts?? 2: Been looking on jabbasport wbesite as will be getting re-map there soon and cant find the specific page with figures etc for my engine code (AUM). car is driven by wires so no throttle cable. ant help would be much appreciated thanks.