jtsail, welcome to Sailnet. When you get a chance an introduction post in the Introductions section might be nice.
You've probably got air getting in somewhere. Bleed the fuel system right through to the injectors and see if that makes a difference.
"Honestly, I don't know why seamen persist in getting wrecked in some of the outlandish places they do, when they can do it in a nice place like Fiji." -- John Caldwell, "Desperate Voyage"