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  1. Reduced Engine Power / Check Engine Light

    2017-19 GM T-K2 Platform Powertrain
    Hello guys, I’ve never posted a question on a forum before, I’m in a screwed up situation. I was going down hill on i80 East into Reno in my 2017 3500HD 6.6L Duramax Diesel High Country DRW. I was pulling my 3 car trailer loaded with 3 units on it. I turned my exhaust brake on and pressed on the...
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