Hi everyone, I have been running a K&N air filter in my 92 z28 for a few years. Today I was doing research on oil filters and I came across a post that mentioned how these air filters actually allow oil to escape and can damage MAF's etc on cars. Seeing as the filters are oil coated this is plausible. So has anyone else heard of this?

 

Only if you OVER oil it by Not following the instructions.

 

And it doesn't damage the MAF. It just causes errors in the read out. A little spray of MAF cleaner and your good as new.

 

FWIW, I've run many of my cars to over 100K miles with a K&N in place.

 

Found this...

http://www.knfilters.com/MAF/massair.htm

"We are aware of the “urban myth” (K&N News Story) created by a few dealerships that a vehicle's MAF sensor can be contaminated by K&N filter oil. No evidence has ever been provided to support this “myth” and three years of diagnostic testing by K&N has shown that not only is this allegation not real, it is not even possible. In our opinion, it is an excuse for a dealership and/or the vehicle manufacturer to avoid a legitimate warranty repair. In the last 4 years, we have sold over 10,000,000 lifetime air filters and received only a few hundred calls from consumers who are having dealership or service provider challenges. We believe that Dealership's or service provider's real incentive may be to discourage the use of reusable products so they can sell disposable products over and over. In order to provide consumers with added comfort that they will not be placed in a bad position by an improper warranty denial, we offer our Consumer Protection Pledge. "