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Onan 4000 generator in a 94 Fourwinds 5000 does the fuel tank have to be at a certain level for the generator to run.
ANSWER: Hi, in most Motorhomes if your fuel level drops below 1/4 tank your generator will no longer get fuel.
The simple reason for this "feature" is if you are boondocking and running your generator it prevents you from running out of fuel and stranding yourself out in the middle of nowhere.
I cannot tell you how many times this "feature" has caused RVers to spend many hours if not days trying to diagnose why their generator will not start, only to find out that they have less than a 1/4 tank of gas in their motorhome.
So if you are planning to do any boondocking and you are planning to use your generator during that time; you may want to keep the 1/4 tank rule in mind and start with a full fuel tank.