Re: Onan shuts down under load without shutdown codes

Mark Pitt

 After replacing the thermostat, water sensor, fan belt, coolant, and raw water pump, it turns out the problem was carbon buildup in the exhaust manifold.  That’s been cleaned out and a new exhaust elbow added and all seems good now.  Thanks to all for their suggestions.

Mark Pitt
Sabbatical III,SM#419

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