im having a problem with my 01 cobra, my engine shut down on me on monday and wouldnt start back up so i towed it to my job, tuesday i dropped the fuel tank and replaced the fuel pump, wednesday it ran perfect when it came to thursday after work i was driving home and it died on me again and wouldnt start back up so i towed it to my job again and droped the tank. this is were it trips me out i took out the fuel pump out and tested both of the fuel pumps and put power to them and the both start up i checked fuel rail sensor, checked for power to fuel pump sending unIt and to the fuel pump driver and theY all have good ground and power what can be wrong what im i missing? HELP!!!:??: