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  1. L

    Can't flash truck back to stock

    So I'm trying to get my truck smogged, its been a god damn nightmare. I have a 2006 lbz duramax with a idahoRob DSP5 EFILIVE tune. I thought the stock setting on the DSP5 would be good enough to pass smog but apparently its not, the guy at the smog place said 1 module is missing? (no idea...