H.E.L.P.!!! I have purchased a 1994 V6 Mustang (from a dealer) and have a rattling/whining/running sound coming from the Fuel Pump area...problems is we have replaced fuel pump 3 times and with each change the sound would differ and this last one DRIVES ME NUTS!!! Has anyone had or heard of this issue or have any recommendations....I swear I am getting grayer and will be bald if I don't find out what the issue is SOON!!! Thank you for all your help - D