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  1. D

    Throwing off tune 08 lmm

    I have a 2009 Cutaway van with duramax LMM. Which one is the best tuner for this kind of motor? I tried to buy EFI live and the salesperson told me that tuner was for pick up trucks only.:mad:
  2. D

    Tune

    I have a 2009 Cutaway van with duramax LMM. Which one is the best tuner for this kind of motor? I tried to buy EFI live and the salesperson told me that tuner was for pick up trucks only because the software for the cutaway van was different.:mad:
  3. D

    Tune

    I have a 2009 Cutaway van with duramax LMM. Which one is the best tuner for this kind of motor? I tried to buy EFI live and the salesperson told me that tuner was for pick up trucks only.:mad:
  4. D

    LMM: P0088 and EGR problems

    I have a 2209 Cutaway van with duramax LMM. Which one is the best tuner for this kind of motor? I tried to buy EFI live and the salesperson told me that tuner was for pick up trucks only.:mad:
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