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Kennyg's avatar
Kennyg
Explorer
Nov 20, 2020

Help! Onan 4K generator refuses to start and stay on

Pulled RV out of 6 month storage. Attempted to start generator. Will start, but quit after about 6 seconds. Repeated attempts with no success. When it does start, it runs only briefly. It seems to ...
Class C
KMLsquared's avatar
KMLsquared
Explorer
Jan 19, 2021
That fuel solenoid will stick closed not allowing fuel to enter the main jet. The reason it runs briefly is because the automatic choke is on enrichening the fuel air mixture, compensating for the lack of fuel going thru the main jet. Any water in the float bowl sits on the bottom and in that solenoid causing corrosion in a short time. I just fixed an Onan with the same issue.

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