I read in this Ford EFI Tuning book about how to check to hear if the fuel pump is working. I do not have the book with me, so I am sorry if I cannot describe it excatly in the this book. I am having a some problems with hesitation and bucking so I am checking my fuel system. I have checked my injectors and they are fine. Now to the fuel pump, this book says in order to find out if the fuel pump is working properly you can do the Key On Ignition Off and that you should be able to hear it I think come on for about 2 seconds. Does anyone know what I am talking about? Well I do hear a sound for about 2 seconds when I do this but I am just not sure if it is the fuel pump that I am hearing. It sounds like a hydraulic lift (like when you lift the trunk of your car) it is a sound like that. My question then, is that the fuel pump I am hearing?