Duramax Third Generation: 2006-2007.5 (LBZ & LLY)
HELP!!!!!
Just replaced my entire fuel lines including cooler.
Upon startup I found this. I’m 99% sure it’s not the new lines as the flex hoses are dry as far as I can tell. The injector where the fuel appears to be coming from was wet when i began the tear down and the whole area was really...