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Old 12-02-2008, 06:17 PM   #5 (permalink)
navyredman
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Quote:
Originally Posted by jman2469 View Post
Well as far as MAP and MAF, I'm pretty sure most vehicles do not have both. plus isn't the MAF more directly related to a/f ratio then idle? And as for MAP doesn't it more directly relate to like the differences in altitude? cuz im at the same altitude. Egr has nothing to do with the idle as far as i know
seeing as I just bought my expedition yesterday I don't know the direct answer to the EGR question on this vehicle. However on most other vehicles the EGR valve will effect idle greatly, also tranny shift points and gas mileage
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