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Old 07-24-2012, 05:39 PM   #5 (permalink)
IDZRVIT
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Quote:
Originally Posted by edub370 View Post
how can a muffler delete possibly cause a rich condition? it must be something else that has caused this. allowing air to more easily flow out of your cylinders cannot cause a rich condition.

someone else chime in if im missing something here
Muffler delete and air intake filter delete won't cause this. Bad O2 sensor sounds more probable or some other problem causing the fuel management system to dump more fuel through the injectors than is actually required.
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