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Old 07-17-2015, 02:05 PM   #1
Bus Nut
Join Date: Sep 2014
Posts: 546
Onan issues

My 70's era Onan is a bit prone to small stumbling etc from time to time. Replaced:
Gas line and filter
Plug wires.

After our little trip this week which included some very wash boarded roads it began to show classic fuel starvation symptoms.
I checked the fuel to the unit...Good.
Adjusted the choke so it would run and it needed almost closed to run smooth/at all, indicating to me a vac leak or a jet issue.
At this point I figured our very stuttery ride had dislodged/stirred up something in the float bowl. The gen had set for quite a while before I bought it so who knows what evils were in the bowl.

TECRON......Hasn't failed me yet.

Right now it's purring in the driveway with the 110v water heater and a 5k AC running.

1/2 bottle, 10gal. gas.
Don and Mary
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Old 07-17-2015, 02:54 PM   #2
Bus Crazy
M1031A1's Avatar
Join Date: Dec 2014
Location: Russell, Kansas
Posts: 1,279
Year: 1989
Coachwork: Thomas
Chassis: Saf-T-Liner ER
Engine: 3208 CAT/MT643 tranny
Rated Cap: 87
Seafoam also works wonders...
Firearms stand next in importance to the Constitution itself. They are the American people’s liberty teeth and keystone under independence. — George Washington
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Old 07-17-2015, 02:57 PM   #3
Bus Nut
Join Date: Sep 2014
Posts: 546
I am a Seafoam guy too but it didn't help this issue. SF works great for water in the gas but so does any alcohol. I use it for long term storage in my other genny.
Don and Mary
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