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  1. K

    LB7: 03 LB7 Won't start when hot, Not Injectors?

    not starting hot I have an 03 3500 diesel which i put into service in Nov. 02. I have exactly the same story as you and the stealers are no help. after studying the issue that we have and talking to a guy that rebuilds the primer pumps for these trucks, I believe that the problem is a vacuum...