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  1. J

    Help: mostly a reader with a tuning question

    I will check for a boost leak but I feel sure there isn't one, what your described sounds like that's what is the problem, since it only happens under load for extended throttle like a long 4th gear pull up a slight grade
  2. J

    Help: mostly a reader with a tuning question

    I checked for codes and nothing stored, so pluged in my tech 2 and nothing stored. sounds like yall are thinking the same as me, thanks!
  3. J

    Help: mostly a reader with a tuning question

    So I read a lot of threads and but don't ever post, but now im left scratching my head. I have a 2007.5 ccsb that I have done a efi tuner and dsp5 switch, exhaust, down pipe, and had the egr removed and blocked and some time back the right rear up pipe split at the egr bellow and so I removed...