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Thread: 2014 Ram 2500 HD 6.4 EGR codes = Limp mode

  1. 11-13-2023 #1
    MoBoost
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    2014 Ram 2500 HD 6.4 EGR codes = Limp mode

    2014 Ram 2500 HD with 6.4
    Touching EGR codes puts in limp mode. Throws code P2174.

    Any experience, solutions?
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  2. 11-13-2023 #2
    MoBoost
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    Disabling P2174 makes it start and die.
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  3. 11-13-2023 #3
    DodgeBoy_8HP
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    Does it has 6 speeds tranny as tune says or different transmission?
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  4. 11-14-2023 #4
    MoBoost
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    6 speed RFE
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