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  1. H

    2011 lml Duramax overfueling

    It was tuned at a different shop i will try to see what i can do about putting stock tune back in but just bc i am going crazy with it what hard parts would cause this if it is to many to list i understand i know that it would be hard to pin point it like it is but i am lost with what hard parts...
  2. H

    2011 lml Duramax overfueling

    Also new temp sensor and new motor is doing same as old motor and dpf was deleted for a yr before
  3. H

    2011 lml Duramax overfueling

    Ok sorry been busy i thought egr too but it is raw fuel and i simple unhooked egr before it evan got hot still same issue plus egr came on this engine out of a perfectly running truck as for the tune i get mixed answer old motor had a radical tune when it washed out the cylinder the ecm is new...
  4. H

    2011 lml Duramax overfueling

    Ok please bear with me this is going to be lengthy truck is a 2011 lml stock with dpf deleted truck ran great after delete 4 yrs ago one night it started smoking real bad and running like bad turned around and drove it home long story short it blew the engine washed cylinder 2 yrs later put in...