Yeah, that’s my thought too Bjamin. Already following gecko’s advice on a larger capacity lift pump. My buddy has a lot going on and hasn’t fooled with it this week. There is a thread by Unclespence that sounds similar, a misfire due to the injection pump getting too hot, which has to be from fuel shortage, because it’s cooled by the fuel. He confirmed the issue by driving it until the problem occurred and then poured a bottle of water over it and the problem stopped. Looking forward to running that test and getting the pump back to the rebuild guy. He is already prepared to make it right, though he is perplexed because it passed its tests before leaving his shop. Seeing as the problem is intermittent and is exacerbated by fuel starvation, I don’t know if he would have even noticed the problem in shop.

good luck Topher, let us know how it goes, and I’ll keep this thread going till it’s fixed and running. I’m too far in to stop now, hehe.