ONAN GAS POWERED GEN WILL NOT START. CODES 36 and 37

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matty450r

New member
Joined
Jan 27, 2013
Posts
2
Location
Granbury TX
Hey everyone. I'm matt. I have a 2012 42FT heartland road warrior with a gas powered Oman generator. I ran it all the time and changed the oil and filter on it as instructed in the manual. It has just over 4400 hours on it. I haven't ran it since about August of 2012. I tried to start it yesterday (1/26/13) and it won't start. I pulled the plugs and checked them. Then bought new plugs. Still won't start. I put fresh gas in the tank . Disconnected the fuel line and ran the pump. It was shooting gas out good. So I connected the fuel line back up and tried again. Primed it and still will not start. The codes its showing are 36 and 37. I cants seem to figure this out. Please help!
 
What model Onan?  The error codes should be in your owner manual, but if you will supply the Onan model info we can look it up. However, for the typical gas Onan, a code 36 simply means the engine quit running.

I gather it cranks and cranks but doesn't fire up? If you have fuel pumping in the line, odds are the carburetor is gummed up, most likely from sitting too long. You are probably going to have to clean and rebuild the carb.
 
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