Heavy white smoke from the exhust pipe even when its in idle mode. on 2000 Chrysler Concorde

In the first place i noticed that the fuel is not suplying we loosed the thank and discover that the seal between the pump and the filter is bad and we changed it and fixed the tank back then when we start the car it start bringing whit smoke from the sillencer pleas with the answer

Asked by for the 2000 Chrysler Concorde
I suspect you have a blown head gasket causing this. White smoke is burning coolant. Need to do a compression test.