751F losing power at high throttle

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Mikefroseth

New member
Joined
Jan 4, 2021
Messages
2
The unit loses power when throttle up. It dies down to an idle, then power comes back. Does this repeatedly until running for 15 to 20 minutes, then runs okay. I replaced air filters and fuel filter. No water in fuel filter. Put conditioner in fuel, but it's low 20's outside. Not cold enough for fuel to jell. Any ideas what is causing this.
 

foton

Well-known member
Joined
Mar 1, 2018
Messages
1,277
It could be a restriction in the fuel pick up , bad lift pump ,or a pinhole that is causing a vacuum leak , try a temp fuel tank right to the injector pump gravity feed it and see if problem goes away.
 
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