1989Lexus

Interesting.... is this only on the ES?.... Never heard of this problem on other models. Even the lower model IS, ive seen running a K&N no problem.

IamThFEAR

This is always a hot topic, but I can tell you from experience that drop in air filters don't do jack for performance or MPG, maybe a little more throttle response but hardly anything you will truely notice. Also, this whole thing about oil destroying the MAF...........well I used to believe this but in fact the two MAF's I've lost in my life were using "dry" filters designed not to screw up your MAF.........I've used countless K&N applications and never ever have I had a MAF issue with them. Stick with OEM paper filters if you don't need an intake, there's a reason why they use them, it's because they filter the best and allow suffcient air flow. Also, they are not dry at all, lay it on a piece of paper for a bit and you'll see what I mean.

1989Lexus

So youre saying you never had a problem with your MAF using a K&N like these other guys? and the stock oem filters arent dry either?

llcoolpass

it may not cause a problem that makes the car undriveable, but it is still building up oil on the sensor.

it's any car with a hot wire

DRRRR

1989Lexus

It comes pre-oiled from the factory. I think the problem lies when you re-charge it. After you clean it you need to re-oil it. When you put too much oil, thats when you might encounter the oil on the MAF, but when you clean it right, i dont think you should have a problem with the oil. How many can do it right tho? I hear some people just buy a new one @ 20k miles. They dont even bother cleaning it. heh. to each his own i guess.

TORTOISE

Looks like im just gettin a new paper filter....

IamThFEAR

Yes and yes.

satiger

iTrader: (1)

I replaced with K&N on my 00 ES and 05 GX about 10 months or so. On each cars, I have put around 10k miles and didn't see any issues yet.

Can anyone help me in locating MAF in ES?.

Thanks.....

3000

Well, it doesn't actually KILL it... but yea my engine light goes on, and I stopped using it eversince. K&N

afpj

Hi all,

Wondering if the ES with K&N problems has that carbon filter in the air box lid like my RX 330? Will that make a difference in the fouling potential of the MAF. Sorry if too much of a nube question, but it seemed that the carbon filter was not always there over the years.
Regards

Maxx941

iTrader: (1)

Ive used them in my 2 previous cars. 1 was a cone filter for a custom intake, other was a drop in. Never had any problems with either. I would buy again but probably not the drop in. As for any improvements with mpg, I would say very little. But does it add up in the long run to make it worth it?

931UZFE

when you oil a k&N air filter you really have to apply a small amount. if you dont...that is the reason why you are burning your maf. at the shop i worked at we have cleaned and oiled hundreds of k&n's and never had problems. so only spray a minimal amount of oil on the filter.