low performance

  1. SavedByGrace

    03 2500HD 5.7 - is my TC bad? Have to really press pedal to get power

    Ive been trying to chase my low accel issues for ever and continuously hitting a wall. Ive tried so many things and I cannot find a smoking gun. Took the truck to AAMCO 3 weeks back and the main trans guy took it for a spin and commented there is DEF sth wrong, seriously low on accel- esp since...
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