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Old 09-03-2010, 12:16 PM   #1
Swannee's Avatar
Damon Owners Club
Join Date: Jun 2005
Location: Jacksonville Fla.,USA.
Posts: 77
Onan diesel generator engine smokes BAD..

My Onan generator in my Endura smokes severely. It's a Diesel generator. Smokes with or without the air filter gets plenty of air. My rasoning for checking air filter first was the smoke is grey/white and wreaks of diesel. Air does'nt appear to be the problem. Full tank, worked fine days earlier. SO
Is there a fuel/pressure regulator I don't see, could the fuel filter cause the problem? Only thing that has not been replaced is the fuel filter. Any thoughts are appreciated.

MIke & Karen

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Old 09-03-2010, 01:05 PM   #2
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You could also check the fuel line to make sure that it is not cracked anywhere back to the tank and sucking up air.
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