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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Try running some SeaFoam through it. Could just be gummed up carb. Filters and plugs are normal maintenance parts. I change mine every year because I put in excess of 500 hours on the genny each year at the racetracks. The fuel pump should only be changed when you know you have a bad one. Same with the carb. As stated above, just throwing parts at it can get to be a very expensive "learning" experience. If you don't have the manuals, you can get then on eBay for under $20 usually. Some are available from Onan Cummings online.
