nitrous_fed_03gt

few weeks ago, my car wouldnt start. cranked fine, but i couldnt hear the pump prime. so i figured it was a bad pump. bought a bbk 255, put it in, and it was faulty. just my luck. so i decided to put my old pump back in and test it being that it only had maybe 1k miles on it. set the gas tank on the floor, hooked it up, and started working fine. was shocked. so the car was fine for a few weeks. have put maybe 250 miles on it since. got in my car today to drive it around the block and once again, crank but no start. cant hear the pump either again. havent done anything yet but wtf is going on??? changed the fuel filter 6 months ago, car runs on e85, stock fuel lines and rails. 80 lb injectors. car also has a voltage booster box for the fuel pump. please help. thanks