| [GMCnet] Low fuel pressure entering Onan Carb [message #86672] |
Mon, 31 May 2010 09:35  |
Alan LaVoisne
Messages: 51
Registered: September 2009
Location: Ortonville, MI
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Hi all,
I have a 75 Glenbrook that has sat for a while. Last fall, the little
bubble in the fuel pump was stuck, I got it unstuck and the generator ran
great at idle but really rough and rich when under load. In hindsight, I
think it was running with the choke half closed but I don't remember
checking or noticing at that time (last fall). Over the winter I had all
the fuel lines replaced. Now with the new fuel lines, it will not run much
at all. The fuel is entering the carburetor at a drizzle and has small air
bubbles coming through. The fuel pump is working. If I jumper the fuel
pump and let it run for a few minutes without the generator running, then
start the generator, the generator will idle decent (choke half closed) but
a load will stall it. I am wondering if there is a replaceable fuel filter
I should replace or if the fuel pump is just not up to par. Last fall that
fuel pump had excellent pressure coming out of it (checked at the output of
the fuel pump and before the fuel filter). So I am debating new fuel pump
and if there is such a thing, a new fuel filter. Any other ideas?
Thanks for all your help. It is really great.
Alan LaVoisne
75 Glenbrook.
88k miles
Ortonville, MI
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1975 26' Glenbrook
Mostly Original
Ortonville, MI
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