More Onan 5500 - sputters bad under load
I've had 8 trouble-free years with my Onan 5500 in my 2007 Toy Hauler. I'm just over 400 hrs and have done the basic maint up to now. I had noticed in the last few trips, the gen was harder to st...
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This is frustrating.
Got a new carb, put that on and still the same thing.
It starts rought. Runs nicely once going. Put on the AC, runs fine. Put on the second AC, still fine. Put on the micro, still fine.
So I started shutting things off one by one. Let it run for a few minutes with everything off. All good. Then turned AC on again. Sputtered but caught itself. Turned AC off and back on and then WHAMO, sputtered horribly and nearly died.
So I don't know if it's fuel/carburation or something else.
I'm stumped.
Got a new carb, put that on and still the same thing.
It starts rought. Runs nicely once going. Put on the AC, runs fine. Put on the second AC, still fine. Put on the micro, still fine.
So I started shutting things off one by one. Let it run for a few minutes with everything off. All good. Then turned AC on again. Sputtered but caught itself. Turned AC off and back on and then WHAMO, sputtered horribly and nearly died.
So I don't know if it's fuel/carburation or something else.
I'm stumped.
