JD2030 fuel issue

My son went to brush mow with the JD2030 a day or 2 ago and while at modest speeds it ran fine. When he powered up to a full PTO speed it would cut out as though it were shut down with the key.
Bad fuel filter? Bad fuel pump? Not an air filter issue.
I did some acreage spreading fertilizer and lime prior to this and had no issues, of course the rpm was much lower.
Thanks for looking.
Cal
 


It would help diagnostics to know what type fuel your tractor utilizes. Is fuel tank venting? Have you checked for good fuel flow from tank to IP or carb.
 

I would start by checking to see that the fuel will flow unrestricted out the line from the tank to the transfer pump. If it has been a while since the fuel filter was changed, I would change it. Then if it is running and still quits under full throttle, loosen the two screws that hold the timing window, on the side of the injection pump, to let some fuel leak out and see if it stays running. If it stays running at full throttle with the window loose, there is a good chance you will need a rebuild. If you take the window off and see what looks like mouse turds behind it that is another sign the pump needs repair. Those pieces will plug the return fuel check valve, which will cause stalling.
 

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