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  1. 06-07 LBZ & LLY Duramax Powertrain
    when i start the truck up, my vanes are sticking (no hissing) and im reading no boost pressure, and truck has no power. i checked the boost gauge and all the boost tubes for leaks and found nothing wrong. we also hooked up my truck to efi and ran the vane test and it passed. also no codes or...
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