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  1. D-maxRaymond

    new here : engine power reduced is displayed on the dash ?

    Hi guys I'm new here , I drive a 08 duramax 2500hd 6spd. Allison transmission, all stock . Today I got in my truck to leave to work and engine light came on and the message "engine power reduced " came on and I could not accelerate . I turned around , used my scanner to check for dtc . There...