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mjcmichigan

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About mjcmichigan

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    Enthusiast
  • Birthday 02/09/1960
  1. Service Emmission System

    Thank you for the clarifications and corrections. Sent from my iPhone using Tapatalk
  2. Service Emmission System

    Thanks for the update.... have a good trip with the truck... Sent from my iPad using Tapatalk
  3. Service Emmission System

    Please post when they figure it out! Thanks! At 55mph, pulling 38 mpg? Sent from my iPhone using Tapatalk
  4. Service Emmission System

    Was thinking about it more. My commute is 20-40 minutes of highway driving. That’s what they want for a regen. If the previous owner did a lot of short trips and no highway... it really just might need a road trip. Idling isn’t good enough for regen. It needs to be working a bit to regen. Sent from my iPhone using Tapatalk
  5. Service Emmission System

    Regen has to do with DEF. I haven’t had an issue with mine, but have only 15k on it. Sent from my iPhone using Tapatalk
  6. Any Diesel shifting problems?

    I have the little Duramax in a Canyon. Have almost 15k on it. It’s very drivable. The tranny does behave pretty good. On a trip to Canada on the 90km/hr highways, it was taking 8% grades to make it drop to 5th. Held the speed perfectly, and no heavy lugging. I think you are right. Comes down to who is doing the tuning.
  7. Any Diesel shifting problems?

    I have the 2017 GMC with the Diesel 4 cylinder. Loving it. I commute with it and do the hunting fishing thing. Over the first 4700 miles my odometer says the average diesel mileage is 27.8 mpg. Highway trips its 30+, around town 22-23. Yes it holds the gear on grade, but it holds the speed and I found grades it would down shift. Sent from my iPhone using Tapatalk
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