Thanks for your help - On the top of the injector pump is the fuel shutoff solenoid. From this is a Tee that brings return fuel from the injectors as well as overflow fuel from the pump back to the fuel tank. The Tee was clean, but the hole in the top cover (3 screws) was plugged. This was creating back pressure in the pump so it would starve. Cleaned the hole out and it runs great. Amazing how something so small and simple can cause total failure from the return side?
Edit - Or so I thought - ran great for about 3 minutes then died out again. This certainly points to this being the area.
Edit - Took it back apart and this time blew out the chamber with the air hose - put it back together and it's been running now for 10 minutes. Long enough for me to put the arms back down and get the bucket on anyhow. There may be something coming apart in there that is causing my issue, but only time will tell at this point.
This post was edited by MN_Joe at 15:23:16 09/02/13 2 times.
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