Rashman

Hey guys,

I took this from the Black Series thread where the topic of MAF sensors being damaged by oil from K&N's was being discussed.

Check out the video links..... it is very interesting indeed and may put alot of your minds at rest!

It certainly made me more happier about continuing to use K&N's.

Incidentally, I have never experienced any problems with using K&N's and K&N certainly show why this has been the case.


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

Mka77

While I am not currently running K&N on my CLK, I have used them on many cars in the past without issue.

Good catch Rashman. The article should put the "myth" to rest.

Rashman

Hey buddy,

Yeah, I was keen to show this to you all because I know alot of guys here are concerned (understandably) about the MAF issues associated with K&N's.

Hopefully, this will give a better understanding of the situation.

A "myth", it certainly seems to be.


Thanks for you post.

M-bENZ

Never had any problem with K&N .

Black_CLK

I installed K&N not too long ago it runs smooth for me haha

dynomite05

I have K&Ns on the E55 airbox I will be using with the new motor.

mikata

Just got in from washing and polishing the car for 2 hours I'm almost playing in your league Rash
I'm not against K&Ns and I'm not for them but of course the manufacturer is going to say that they are "great and they don't case any problems". I'm taking this with a grain of salt. I would like to read a impartial review as well.

They work great for you guys so I'm not hating

M-bENZ

Lol

mikata

Andy, your car looks slipery as hel* what type of product have you used as seen in the picture? Wax, Finish Kare?

M-bENZ

Thank you sir . For the product, ive been using the claybar ( autozone) and a quick detail bottle and that was it hehehe. Now remember i dont drive the car everyday I have mine honda and the lexus to drive daily.

JHouse

On a somewhat related note, when researching using Seafoam spray to clean the injectors, they made a big deal about note shooting it past the MAF sensor/O2 sensor or whatever. Is that a real risk or just paranoia on their part? Anyone know?

Klinh

I used K&N on every cars I own for the last 15 years and never have any problems with it. I do clean and re-oiled on some filters but air dry it over night.

splinter

Seriously, what would expect K&N’s position to be on this issue?
MAFs are inexpensive and easily replaced; just don’t expect your warranty to make you whole owing to plausible deniability.

Must be noted sensors have regularly failed with OE filters, too.

Dynomite05, your M112K has no MAF.

Klinh

Yup.....MAP instead of MAF.

dynomite05

I know, just stating I will be using the K&Ns. Might be buying some BMC filters shortly, JIC.

mikata

The BMC filters, are those oil drenched filters as well?

dynomite05

I have heard negatives about every filter. Yes they do come pre-oiled.

mikata

Ok Googled BMC filters, they look good. I'd rather go with them, but what do I know

dynomite05

lol

mohtab

K&N 5 year no issue C43

Kevwood

I've got BMC, they are basically the same thing as a K&N. The K&N filter itself isn't the problem, it's the guy that re-oils it after the clean. If you soak the thing it's going to spread a whole lot of oil all over the internals. Light oiling is all it needs.

sleepyheadzzz

K&N 2 months fd up my car...no amount of cleaning the MAF sensor will work now...need a new sensor probably

lowpost

how do you know it's the k&n.

sleepyheadzzz

the problems started a month after i had the filter installed....but imma take it to the dealership this month see if they can fix it =((((((((

Rickyracer

Rashman, Found this to be the most informative information ever.

I have a 2003 F150 and have an air cold intake system with (of course) a K&N Air Filter and have used K&N for years and NEVER heard of oil coming off the filter causing MAFS failure until yesterday. I was told the only filters to replace dirty filters were the factory-installed filters and the MAF should not fail for over 250k miles. BTW, I have never cleaned my trucks Air Flow Sensor and have never had a problem. Impressed with K&N I decided to add their filters to my 2004 CLK320 due to a recent MAF failure at 68k miles at a shocking $400 replacement cost. A very reliable mechanic told me these have an average failure rate of 60K to 65K miles.
After seeing your post and link, I am completely convinced the oil does not affect the MAF (wire) even if it did leave the filter. Your post was most helpful and will continue to use K&N Filters.