Jeep won't go. No fuel. Started out a little sputter at 65mph. Eventually had to downshift and go about 45mph. Then a few miles up the road had to downshift again and only got about 30mph. Finally got to the point of just crawling, then won't even idle. Total elapsed time of first symptom to no start about 10 or 15 minutes. Put in my spare pump. It is used, but the JEEP ran on it when pulled. Still won't start. Going to try another pump tomorrow just to be certain, but I'm thinking it's not the pump. I've never had an eccentric go bad, and my initial thoughts are that it would just break, not wear out over 10 or 15 minutes time. Haven't checked the fuel line yet. It's rubber, planning on switching to steel this winter. Maybe I'll find a collapse. I've got two tanks, won't pump fuel from either tank. Both tanks over 3/4 full. Maybe I'll be switching to EFI (electric pump) sooner than I had anticipated.