I have a 2001 and had a problem where it would start and run long enough to give me a long walk back to my truck to rescue it. By the time I got back it started right up. I thought I flooded it so I took it out again and the same thing. I checked ignition spark fuel and everything in between. Last thing I checked was the compression and that was the problem. Had enough to start and run, but as it got hot and expanded it lost enough to keep it from running. Rebuilt the top end and it is fine.