What are some signs that my fuel pump is failing? When I would turn on my ignition I could hear it come on and now it doesn't do that anymore, which I thought was odd but everything still worked. Now sometimes when I start the car it immediately dies. It has been kind of cold blooded since I put my Holley 500cfm carb on it, but it dies like it isn't getting any fuel period. Does this sound like a fuel pump, or does somebody recognize these signs? Oh ya the car is an 85 by the way.