digitaloutsider Posted January 5, 2009 Report Share Posted January 5, 2009 Like the title says, my '90 GP LE which was a very early production '90 had a digital EGR, but my TGP has a vacuum operated one. I'm guessing they all got it like this? Quote Link to comment Share on other sites More sharing options...
mfewtrail Posted January 5, 2009 Report Share Posted January 5, 2009 All of them have the vacuum operated EGR as far as I know. I've never seen one with the digital EGR anyways. Quote Link to comment Share on other sites More sharing options...
GOT2B GM Posted January 5, 2009 Report Share Posted January 5, 2009 yep I would say all have the vacuum EGR. Quote Link to comment Share on other sites More sharing options...
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