The patient: 2002 Silverado LS 3500 DRW

I bought this truck used in 2007. I use it mostly towing a trailer and on long hauls. When I pull into a Flying J / Pilot / TA or any other truck stop to get fuel, I can almost count faster than the digits roll on the fuel pump.

For some reason even the lowest setting on the fuel nozzle will cause the automatic shutoff to kick off and splash fuel out. It literally takes me 15 minutes to put the fuel in.

Any ideas what to check out would be appreciated. I just can believe this is normal. It's a real pain for sure!