Quote:
Originally Posted by tjts1
Removing the EGR valve made a huge difference on my car. The valve didn't seal up completely when closed because of all the grime on it. I could blow air right through. Disable it if its still functional and remove it completely if it fails to make a perfect seal.
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Exactly. Disabling a bad EGR valve won't improve performance. The problem was the valve not sealing. The fix is to clean the valve, that would improve the performance (or, remove it entirely, which is more difficult on the 90-up engines).
