onan 4k gen
my gen. will run without load for about 45 seconds then will hunt 2 times than run smooth again for a 45 more seconds again. When I put a load on it (1500 BTU AC) it will do the same but not as often....
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problem salved.....Took the altitude adjustment cap off (just pressed on)counted the turns to closed (1 1/2 turns) then unscrewed needle valve all the way out and drained the bowl and sprayed carb cleaner thru valve body until I had cleaner flowing from drain on bowl. Placed it all back together and turned needle valve 1/4 of a turn more than it was at first..Running like new now with 1500 ac and electric water heater on at same time . Thanks for all your help
