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6410 fuel issues
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JD 9400
Posted 5/28/2015 13:45 (#4595825 - in reply to #4595522)
Subject: RE: 6410 fuel issues


Southern Pa.
JD Farmering - 5/28/2015 09:59

Ok, are you guys saying it could be the electric pump or the injector pump??
It is supplying a full stream of fuel thru the 5/16" line to the filter. Then we took off the line at the injector pump, it is more like 3/16" and the fuel comes out of it under pressure, so I believe there is plenty of fuel coming into the injector pump.
This tractor runs fine setting there idling, also starts like it should, just doesn't have the power like it should going up hills on the road or in the
Operating on flat ground you wouldn't know there is a problem.
Thanks for all the ideas so far, I have talked to a local injection pump rebuilder about this and he is waiting to see what comes of the dyno run, which I hope to have done tomorrow.


Our 6410 started fine, and ran smooth.It was down on power, and would pressurize the fuel tank. A new fuel cap didn't make any difference. IIRC, the service manager told me it was likely the injector pump.Ended up trading it, and I didn't follow up on it to find out what it took to fix it. Maybe it's still being run that way!
It would be interesting to see what comes out of yours. Post your results,if you care to.

Good luck!
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