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1matcoman · 07-06-2018, 11:01 AM

I have occasionally experienced the same type issue with the Onan's on my work trucks. You're right that it sounds fuel related. The first thing that I would check is to make sure that you don't have a rubber fuel line that may have a slight crack in it which will allow air to be sucked into the system.
Check that out first.

07-06-2018, 11:01 AM	#2
1matcoman Member Join Date: Jul 2008 Location: Houston, Texas Posts: 304 Likes: 489 Liked 277 Times in 110 Posts	Re: Onan 5500 generator question I have occasionally experienced the same type issue with the Onan's on my work trucks. You're right that it sounds fuel related. The first thing that I would check is to make sure that you don't have a rubber fuel line that may have a slight crack in it which will allow air to be sucked into the system. Check that out first.