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  1. gmduramax

    Getting truck smogged problem

    I’ll look into that thanks
  2. gmduramax

    Getting truck smogged problem

    The truck must have communication issues that I’m trying to figure out. But if I can flash it why can’t gm :confused: I hate electronics But I know for sure if it’s a dsp5 it won’t pass.
  3. gmduramax

    Getting truck smogged problem

    I’m having this problem with an 04.5 LLY. Stock tune. I can read/flash the ecm. Dealer can’t flash in a stock tune and the smog equipment won’t comunicate with the truck. Everything works as it should on the truck, been pulling my hair out over it :baby:
  4. gmduramax

    Getting truck smogged problem

    The new smog equipment (smog dad I think it’s called) reads the engine calibration and if it isn’t correct will do what yours is doing. Try putting in a single tune with the correct engine calibration, the DSP5 tune changes the last digit of the engine calibration.
  5. gmduramax

    PPE vs the Copycats ..........

    I don’t get why everyone will buy shit products to save a few hundred dollars. Once your bellow blows out It’ll be wasted time and money. Just order from RDL someone who will stand behind their products.
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