hi i have a audi a4 con 3.0i 2002 ... the fule gage has never worked since i have owned the car. i had the pump out of the tank. and the flot sender had come away from the pump and was sitting in bottom of the tank. so new pump and sender needed.....WILL replaceing the intank pump. get the gage working? or will it have to be reset at audi or is the gage nothing to do with the pump at all please help thanks alot