A little blast of air at not too high of pressure into the combustion chamber and a black cloud came out.
Then a shot in the tube for a few seconds, then another shot in the cc.
It roared to life back to normal.
Another annual maintenance item I'm thinking.
02 Keystone Hornet Lite 25 FL
18 Silverado Dbl.5.3 6sp 3.42 stock ( grunt truck)
18 Silverado Crew 5.3 6sp 3.42 9" lift 37's(fun truck)