I have a 2000 lincoln ls i had a problem with my water pump so my car set for about 6 months well i just changed out my water pump and tried to start my car and my battery was dead got a new battery still wont start it cranks but wont start changed out the fuel filter still no start check the fuel pump dead now i got a new fuel pump on still no start there seems to be no gas pumping through the line cause when i try to start the car with the fuel filter disconnected no fuel pumps through what else could it be .