Quote:
Originally Posted by Daox
That is very likely because the EGR system was not working properly in the first place. When an engine enables EGR it has to alter ignition timing. If the EGR system is clogged (which is common because it is a dirty system), the ECU will enable EGR, alter timing, and since it isn't working properly you'll loose power. A better bet for you would be to remove the EGR valve and plumbing, clean it out, and reinstall it.
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The car had less than 5000 miles on it when this was done and I bought the car new.