Duramax Second Generation: 2004.5-2005 (LLY)
I am currently working on my LLY Duramax. I did have a no start problem which I believe I solved. I have a few system questions:
1. The fitting on left bank common rail manifold. Why is the inlet line/fitting from the cp3 ported? It sure is small and it supplies both sides with fuel. What does...