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injector knock

  1. 04.5-05 LLY Duramax Powertrain
    So I have a 2005 LLY Duramax crew cab and I’m new to the Duramax diesel world and I’ve only owned the truck since October 2019 til now and the truck just turned over 205k miles. Now my question is, would a leaking injector return line cause injector knock? The passenger side, #7 injector, return...
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