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PC50UU-1 Dies upon adding throttle...

J

JayBee59

Member
Joined
Apr 4, 2023
Messages
8
Location
Los Angeles
My PC50UU-1 starts cleanly and goes to idle and warms nicely. However, whenever I add even the slightest amount of throttle, the engine dies. I would like to request a manual if still available. Any help you may lend is greatly appreciated!
 
T

thepumpguysc

Senior Member
Joined
Mar 18, 2010
Messages
8,510
Location
Sunny South Carolina
Occupation
Master Inj.Pump rebuilder
By your brief explanation, it sounds like a classic case of very low fuel supply..
Just enough to keep it running at low idle, not enough to make it go.. filters would my first go to.. maybe even disconnect the feed line to the filter head and back blow it w compressed air.
Then check inlet pressure AT THE INJECTION PUMP INLET.
(U don’t need a gauge) when u break the connector loose, u should get wet while cranking…
Good luck
 
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