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If you delete your EGR you'll need to get a tune to turn off your CEL. Some will argue that it's better to keep it although I do not share that view. You won't notice any difference in your tune but it will clean up your engine bay. (BTW there is a thread as recent as two days ago that explains it all.)
"Welcome to MF.com" You're now nerd approved. (If you do us the little favor of doing a quick search or PM'ing a member before you start a thread like this.)