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Old 08-14-2010, 11:51 PM   #25
clinebarger
Senior Member
 
Join Date: May 2009
Location: Fort Worth, TX
Posts: 6,370
Re: tune up/ mass air flow question

Quote:
Originally Posted by Rudy67chevy View Post
I had a k&n in my o2.. Change back to stock, and the check engine light hasn't been on since.
Running a K&N filter is not a problem, Over oiling them is.
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