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  1. S

    LLY: Possible Injector Knock

    I think I may try that before anything else. I just don't see how it could be anything other than an issue with that injector considering the timing of it all.
  2. S

    LLY: Possible Injector Knock

    Alright, guys. I know I'm new to the forum, but I need a little help, so I'm just going to jump right in and ask for some troubleshooting advice. I have a 2005 GMC Sierra 4x4. I recently went into limp mode and eventually discovered that the root cause to the problem was the infamous connector...