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  1. 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...
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