Thread: K&N Air Filter installed, MPG dropping?
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Old 09-03-2013, 09:35 AM   #12
clintavo
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Quote:
Originally Posted by xjohnx View Post
clean your maf sensor.
What he said. Get a bottle of MAF spray cleaner.

I cleaned mine 50 miles after a K&N install just to be safe. Probably will do it again before I get a tune.
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