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Old 07-18-2008, 07:34 AM   #2 (permalink)
YBNormal07
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Join Date: Jul 2003
Location: PA
Posts: 6,242
What year? Any mods? Could be a lot of things.

clean out your throttle body
PCV valve (good chance)
Engine management. If you installed a new sensor, this could be the culprit. Any way you can log your parameters?
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