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Old 10-03-2019, 07:44 PM   #1
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Onan 4KW generator hard starting

I have a Onan 4kw generator that takes too long to start. I prime for 15 second and crank - no start. 15 more sec and no start, after around 45 sec of prime it will start easy. Once it is warm it also needs much priming! this is not normal!
Today I asked a neighbor with the same 4kw generator to start and it was running with 5 sec cranking and no priming required!!!!
I need help with finding who can look at and fix this - I tried the local Cummings dealer but could not find anyone that was knowledgeable!
where do you find somebody with knowledge???
thanks for helping!
Abe Bergler
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Old 10-03-2019, 08:03 PM   #2
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When was the last time the fuel filter changed and any rubber fuel lines? Replace any rubber with fuel injection line. It withstands the alli fuel better.
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