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Re: PCM Software Updates Subject to Emissions Recertification?
Posted to Emissions Forum on 3/18/2014

Harking back to my BAR 90 experiences, I seem to recall certain vehicles that used EGR block-off gaskets (Festiva, maybe?) and orifices so small (big-block GM) that the EGR functional check caused no noticeable RPM drop at idle. Good times!

Sincerely, Login to read more.