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Jim L, and rbargeron, Thanks very much for your coaching. It seems clear that my injection pump needs professional help. It's so nice to actually understand what is wrong with this tractor!! :) Like I said, I've been operating it for 6 months with no idea it was running on 2 cylinders...

Jim, Thanks for the reply. Sadly, no warranty. All of this is on the right side of the engine, above the fuel pump. Three copper tubes leave here to bring fuel up to the top of the motor. I loosened the fitting on this 3-port thing I'm calling the injection pump. I'm assuming the "fuel...

Jonathan, Today I discovered that one of the ports on my injection pump (L3800 HST) is not pumping any fuel. I have no idea what to do next. Did you resolve your issue? Any suggestions? Thanks, Paul King's Mountain, NC

Folks, After 6 months of wondering why my L3800 HST (with 400 hrs on it) just doesn't seem right, I discovered this morning that it has been running on two cylinders since I bought it. (rookie). 1) Engine running, I loosened the forward most port at the top of the injector pump, and engine...