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Old 04-23-2003, 05:57 PM   #4
PHOENIX
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Join Date: Oct 2002
Location: Phoenix, Arizona
Posts: 4,703
A bad EGR valve will also cause a slight bog off idle.
If you have an EGR try to unhook the vacuum line and plug the line, then take it for a cruise. If it acts fine now, then its your EGR. If it still does it, its probly carb or timing related.
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