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  1. 06-07 LBZ & LLY Duramax Powertrain
    New to the forum and hoping to shed some light on an issue I’ve been having. for a while now I’ve been experiencing an uncomfortably loud ticking sound coming from my drivers side of my engine after replacing my injectors about 6 months ago. There are roughly 5000 miles on the new injectors and...
  2. 911 Problems Forum
    Got a LB7 bought refurbished injectors from last weekend got on the truck hard one time and now I have a fuel knock on cylinder number 7 I know this because I took my scanner and commanded each injector off and when I got to number 7 the knock went away has anyone bought...