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Thread: MM3 Issues?

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    Murdoc's Avatar

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    MM3 Issues?

    2016 RAM 2500 /4x4/6.7 Tuner is reading boost different from a cluster, only on 2 of the display screens.

    I had a map and turbo speed sensor code pop up.

    Changed the map sensor and tested the speed sensor.

    It’s good.

    The truck doesn’t run as well as it did.

    Could I have a problem with the tuner or tune?

    Or something with the truck itself?

    TY Murdoc


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    More Powa! RATLIN'HP's Avatar

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    Re: MM3 Issues?

    Sounds like a truck issue.

    What was the code?

    Sent from my SM-A505U using Tapatalk

    2015 Black Laramie CCSB 3500 SRW. Thuren Leveled With Fox 2.0 Shocks. Ride Rite Rear Air Bags With Wireless Airlift Onboard Air. 35" Toyos. All The Options Minus The Soot Cookers. RaceMe Ultra.

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    JBS4X4's Avatar

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    Re: MM3 Issues?

    Have you tried to update the MM3 to see if it makes a difference?

    2015 CCSB, HBS level, soft canopy & tonneau cover. Other mods as well.

    2016 CCSB G56 with same(50k)

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    I WILL STAND! AK Bob's Avatar

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    Re: MM3 Issues?

    Quote Originally Posted by Murdoc View Post
    2016 RAM 2500 /4x4/6.7 Tuner is reading boost different from a cluster, only on 2 of the display screens.

    I had a map and turbo speed sensor code pop up.

    Changed the map sensor and tested the speed sensor.

    It’s good.

    The truck doesn’t run as well as it did.

    Could I have a problem with the tuner or tune?

    Or something with the truck itself?

    TY Murdoc
    The turbo boost readings should agree.

    Are you sure they are both the same units of measurement?


    2014 RAM 3500 (Aisin) 3.73 4X4 Limited Crew Cab Long Bed DRW. Oil Bypass Filter, Fuel Filtration Kit and 50 Gallon auxiliary fuel tank.

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    2014 RAM 3500 (Aisin) 3.73 4X4 Limited Crew Cab Long Bed DRW. Oil Bypass Filter, Fuel Filtration Kit, Cold Air Intake, City Diesel Actuator and 50 Gallon Aux Fuel Tank.

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