East Carbon eh? I bet it's cold tonight! I would check that you have a hot enough glow plug. You may get a lot of answers here, but if everything is tuned up and the engine just coughs and quits at random intervals I'd go with a hotter plug, you're surely keeping things very cool. And as far as plugs go, you'll get lots of passionate recommendations, but I prefer the Fox Miracle plug. Then spend a while running them on the ground, just to make sure you really have them tuned. Good luck.