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Kennyg's avatar
Kennyg
Explorer
May 14, 2021

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

Here I go again. Am at home now and I tried the generator again. It started, but only for about 15 seconds and then shut down. During this short time it ran rough and the exhaust blew constant blue sm...
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fourthclassC's avatar
fourthclassC
Explorer
May 14, 2021
While that 15 seconds run time seems short for this issue, all my Onan 4k watt gens. Required new fuel pumps. The known issue shows up as the engine runs for a while then quits. Just FYI. But that 15 secs. may be related to some other issue like you said on related to the carb. Depending on the year, the choke linkage has also caused me problems in the past.

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