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  1. J

    LLY: No Power Black Smoke at Random

    Duramax lly 2004.5 Hi Guy’s My duramax , each Time i drive my truck , it is more and more hard to start and after 10-15 min driving on mountain ,when i fully depressed on the accelerator pédal , There is no power, There is a lot of black smoke. The turbo stop Working after 10-15 min...