A4 (B6 Platform) Discussion Discussion forum for the B6 Audi A4 produced from 2002-2005

Will a high-flow K&N filter cause my A4's mass air sensor to fail?

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Old 01-31-2003, 10:00 AM
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Will a high-flow K&N filter cause my A4's mass air sensor to fail?
Old 01-31-2003, 10:06 AM
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not unless you over oil it, mine has been in for 10k.
Old 01-31-2003, 10:07 AM
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Default Re: Will a high-flow K&N filter cause my A4's mass air sensor to fail?

I had a cone style on my 2000 Jetta and the Mass Air Sensor failed. I have read several posts about our A4's and found that the K&N on the dyno showed no gains at all. I have also come across several threads of Mass Air Flow problems linked to the K&N filter. I plan on chipping in a month or so and keeping the air box stock.
Just my .02

"Drive fast, take chances"

KW
Old 01-31-2003, 10:23 AM
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Flat out, a K&N will out flow the big stock filter.
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