Help onan generator 4000 - serv req 3, over crank 4, crank rapid
Hi my brother has onan 4000 coach year 2019
Runs for 30 to 60 minutes and shuts off.
Generator shows service req 3, over crank 4, crank rapid??
Oil looks fine not dirty ..he is changing oil since bought used and changing air filter
Montana 2020 Thor Vegas 25.6
Wife and I & 2 Golden Retrievers Happy Campers!!
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Retired H.S. Principal, Sr. Engineer & Life & Health Insurance Agent
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