MAF Cleaning
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New User
Joined: Jul 2003
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From: Orange County, CA
MFS Cleaning
I have a quick question about cleaning the Mass Flow Sensor...What is the best / proven way? I have read a few different ways, from using Q-tips to brake cleaners. I just want to make sure I don't damage it. I am running a K&N FIPK with a FM40 delta flow. I do see what appears to be a fine layer of dirt on the wires and my mileage has been dropping off from ~11.7 to ~10.5 mpg. It has also been slightly pinging under a load.
Any help would be much appreciated.
Any help would be much appreciated.
Postmaster
Joined: Jan 2003
Posts: 4,417
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From: Durham, NC
First, welcome to FTE!!!!
Second, if I were you I would throw the K&N filter away, and go back to the OEM filter. Use some electronic contact cleaner that
does not leave a residue, and a Q-tip......Good luck!!!
Second, if I were you I would throw the K&N filter away, and go back to the OEM filter. Use some electronic contact cleaner that
does not leave a residue, and a Q-tip......Good luck!!!
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New User
Joined: Jul 2003
Posts: 3
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From: Orange County, CA
Well I tried the contact cleaner, but I didn't use a Q-tip because the spray alone cleaned it off (unless you guys think I should use a Q-tip). I used CRC Quick Drying Electrical Cleaner. All I can say is that it started up and idled okay. I'm going on a trip so we'll see what happens.
And I do like my K&N, so I think I'll keep it.
Thanks for your help...atleast I know where to go for honest answers...this is the best forum on the web.
And I do like my K&N, so I think I'll keep it.
Thanks for your help...atleast I know where to go for honest answers...this is the best forum on the web.
FTE Leadership Emeritus
Joined: Jul 2002
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From: Long Island USA
Back when I put a K&N in my '96 T-bird 4.6L, they were known to be overoiled at the factory and therefore fouled the MAF
I thought they had taken care of it, but they may have been doing it again... I never cleaned mine, I just cleaned the MAF every 5K milesor less until it stopped being dirty. If you want to fix the problem, buy the cleaning kit, clean it, and reoil the right way.
I did the one in my '74 F250 (a real birthday cake if there ever was one) and it was kinda easy to see when it was oiled "just enough"...
I thought they had taken care of it, but they may have been doing it again... I never cleaned mine, I just cleaned the MAF every 5K milesor less until it stopped being dirty. If you want to fix the problem, buy the cleaning kit, clean it, and reoil the right way.
I did the one in my '74 F250 (a real birthday cake if there ever was one) and it was kinda easy to see when it was oiled "just enough"...
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New User
Joined: Jul 2003
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From: Orange County, CA
Actually when I got my K&N it was oiled properly (pink instead of red). I have seen them over oiled before like you said.
And I have cleaned and reoiled mine for the third time just today. I use the aerosol oi since it is a little easier to apply instead of "pouring" it on through a squeeze bottle.
I did look at the air inlet where the filter attaches and it is still a dull black color with not even a trace of oil film on it; which really suprises me.
And I have cleaned and reoiled mine for the third time just today. I use the aerosol oi since it is a little easier to apply instead of "pouring" it on through a squeeze bottle.
I did look at the air inlet where the filter attaches and it is still a dull black color with not even a trace of oil film on it; which really suprises me.
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Read a post on another forum by a man that ran extreme earth moving machines. He said that oil analasis showed silicon figures are many times higher with K&N filters.
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Postmaster
Joined: Jan 2003
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From: Durham, NC
Originally posted by dhendry
Read a post on another forum by a man that ran extreme earth moving machines. He said that oil analasis showed silicon figures are many times higher with K&N filters.
Read a post on another forum by a man that ran extreme earth moving machines. He said that oil analasis showed silicon figures are many times higher with K&N filters.
light, and you can see the size dirt particles that a K&N will allow to pass into your engine, then hold an OEM paper filter up to a light, and check out the difference!!!
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FTE Leadership Emeritus
Joined: Jul 2002
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From: Long Island USA
First, it's not fair to compare "earth moving machines" with a street vehicle, even when they are used for mudding or other off-road activities.
K&N's will pass more dirt until they get dirty and then they filter quite well.
DO NOT clean your K&N regularly...
K&N's will pass more dirt until they get dirty and then they filter quite well.
DO NOT clean your K&N regularly...
Sit. Stay.
Joined: Oct 2001
Posts: 18,308
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From: Washington State
Originally posted by krewat
K&N's will pass more dirt until they get dirty and then they filter quite well.
DO NOT clean your K&N regularly...
K&N's will pass more dirt until they get dirty and then they filter quite well.
DO NOT clean your K&N regularly...
After that, what's the point of a K&N?
The only thing it has goin' for it then is cost savings by not buying filters and the "semi-cool" factor for impressing teenagers looking under the hood of your truck.
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I realize that earth moversare different than trucks. My 01 powerstoke always had a fine dust on the engine side othe filter housing and intake tube. I just never had the oil tested. I will be using a amsoil 2 stage filter. They flow almost as much as a K&N without dirt. I do not want to sacrifice longevity for a little air. My stock 04 V-10 will take my 01 PS/54 hp chip to 60 mhp.