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Author Topic: How to clean Mass Air Flow sensor  (Read 31697 times)

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Offline Kelu

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How to clean Mass Air Flow sensor
« on: April 23, 2010, 05:05:13 AM »
What you need:
1) Cross slot / Phillips screwdriver:
[ Guests cannot view attachments ]
2) The cleaner:
 - CRC Air Sensor Clean spray, was the only product which I could find to be dedicated for MAF which can be found in US and EU
[ Guests cannot view attachments ]

 -Alternative: I think is ok to use any contact cleaner, I was afraid to use brake cleaners not to risk damaging the MAF, even I was told that I  can use anything that doesn't leave a residue.

How to do it:
1) Locate your Mass Airflow Sensor:
[ Guests cannot view attachments ]

2) With the screwdriver unscrew the 2 screws marked here (be very careful not to drop them):
[ Guests cannot view attachments ]

3) Then pull the sensor out:
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4) Unplug the sensor from its connector
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5) The cleaning of the sensor:
[ Guests cannot view attachments ] [ Guests cannot view attachments ]
Also a small video:
http://www.youtube.com/watch?v=rfBpTUbkTB8

6) Let it dry for about 5 minutes and put everything back:
[ Guests cannot view attachments ]

My sensor was only 11 000 miles with OEM filter and I was quoted by Lyndon is dirty.
« Last Edit: April 23, 2010, 07:05:16 AM by Kelu »
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Offline Kelu

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Re: How to clean Mass Air Flow sensor
« Reply #1 on: April 23, 2010, 05:10:42 AM »
Some other pictures of the MAF for future reference:
« Last Edit: April 23, 2010, 07:06:31 AM by Kelu »
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Offline Arabas

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Re: How to clean Mass Air Flow sensor
« Reply #2 on: April 23, 2010, 05:24:10 AM »
Kelu, u r my man!!!
thx a lot!!!!!

just have to find the product u mention and i will do that asap!

Great job !
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Offline Go-N Def

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Re: How to clean Mass Air Flow sensor
« Reply #3 on: April 23, 2010, 06:03:59 AM »
Nice write-up, Kelu, but the video was in Romanian....


:lol:

Offline Kelu

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Re: How to clean Mass Air Flow sensor
« Reply #4 on: April 23, 2010, 06:07:19 AM »
Oh, I thought you take again on my dirty engine, I will translate the video too  :gaah:
Later edit: I can't make the spray to do the psss in english being an european spray  :lol:
« Last Edit: April 23, 2010, 06:52:43 AM by Kelu »
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Offline kennysabarese

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Re: How to clean Mass Air Flow sensor
« Reply #5 on: April 23, 2010, 07:07:41 AM »
No reason not to do this. Anyone have some of this stuff at SMMM7 so we can all do it?
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Offline NormSky

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Re: How to clean Mass Air Flow sensor
« Reply #6 on: April 23, 2010, 08:21:50 AM »
I used contact cleaner on my MAF which is from a LS7 that comes with the Hahn Turbo kit. No problems.

Norm
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Offline snaponbob

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Re: How to clean Mass Air Flow sensor
« Reply #7 on: April 23, 2010, 08:25:44 AM »
WOW !!!!!!!!!! Look what I started.
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Offline Kelu

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Re: How to clean Mass Air Flow sensor
« Reply #8 on: April 23, 2010, 08:45:00 AM »
NormSky : If I wasn't able to find that product I would use  contact cleaner too. But I would be afraid to use brake cleaners.

SOB: is Lyndon's fault, not yours.  :devil:
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Offline NormSky

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Re: How to clean Mass Air Flow sensor
« Reply #9 on: April 23, 2010, 08:52:41 AM »
I probably got the contact cleaner at Radio shack.
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Offline Critterman

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Re: How to clean Mass Air Flow sensor
« Reply #10 on: April 23, 2010, 08:54:52 AM »
Ke-  Did the sensor look dirty to you?
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Offline Kelu

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Re: How to clean Mass Air Flow sensor
« Reply #11 on: April 23, 2010, 09:02:22 AM »
Critterman: at the visual inspection, no, the metal plate looked a little bit, those small things which I think they are the measurement part didn't looked dirty. I trust Lyndon.
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Offline Critterman

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Re: How to clean Mass Air Flow sensor
« Reply #12 on: April 23, 2010, 09:06:07 AM »
I trust him as well, just wondered if you could see anything.
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Offline Kelu

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Re: How to clean Mass Air Flow sensor
« Reply #13 on: April 23, 2010, 09:13:18 AM »
No, all I know is, I have a dirty OEM filter which I vacuumed the other day. I need to decide what route should I go with that too.
Mailed to Lyndon some logs the other week and he said I need to clean my MAF, I have looked over those logs 10 times, can't figure out where I can spot that, too weak in ECU knowledge here :)
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Offline BigSal

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Re: How to clean Mass Air Flow sensor
« Reply #14 on: April 23, 2010, 09:18:58 AM »
I could see a very light coating of what appeared to be K&N oil from my filter cleaning and re-oiling (never had a code thrown so must have been close to propper re-oiling amount), and what appeared to be be very fine dust type particulates over portions of the sensor.  I'll bring my can of CRC MAF Cleaner to SMMM7 so that others can clean their MAFs as well.
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Offline elff

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Re: How to clean Mass Air Flow sensor
« Reply #15 on: April 23, 2010, 10:10:04 AM »
Nice job

Offline Uranium-238

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Re: How to clean Mass Air Flow sensor
« Reply #16 on: April 23, 2010, 10:21:04 AM »
I know that when I cleaned my car's MAF, it didn't look dirty, but the cleaner dripping off was pretty black at first. I may not have seen it at first but there was definitely something on the MAF.
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Offline LiquidPT

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Re: How to clean Mass Air Flow sensor
« Reply #17 on: April 23, 2010, 10:58:37 AM »
Oreilly's carries CRC MAF cleaner...
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Offline KWhale

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Re: How to clean Mass Air Flow sensor
« Reply #18 on: April 23, 2010, 12:49:41 PM »
Nice job Kelu!  I just did this job myself last week.  For the Canaidans in the crowd, you can find the MAF Cleaner at NAPA....It was about $8 for a very large can.  The large can looks like it would do about 25 MAFs.  I did all 3 of my cars with it and it still feels mostly full.
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Offline Morfious

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Re: How to clean Mass Air Flow sensor
« Reply #19 on: April 24, 2010, 05:04:12 AM »
My local PEP Boys had the CRC Mass Air Flow cleaner as well.  I think it was $8.

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Offline Gentleman Jack

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Re: How to clean Mass Air Flow sensor
« Reply #20 on: April 24, 2010, 08:14:50 PM »
Nice write up Kelu!  I will be doing this today or Sunday~  going out for Sushi tonight, so perhaps I will wait till tomorrow.

GJ
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Offline Uranium-238

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Re: How to clean Mass Air Flow sensor
« Reply #21 on: April 24, 2010, 08:27:02 PM »
No reason not to do this. Anyone have some of this stuff at SMMM7 so we can all do it?

I can bring some.
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Offline Imaj

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Re: How to clean Mass Air Flow sensor
« Reply #22 on: April 25, 2010, 12:30:20 PM »
Many thanks Kelu! I tried it and thought I did feel a lot more pull in 3rd or 4th. Nice work!

Offline duramax

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Re: How to clean Mass Air Flow sensor
« Reply #23 on: April 26, 2010, 12:50:39 AM »
Nice write up Kelu!  I will be doing this today or Sunday~  going out for Sushi tonight, so perhaps I will wait till tomorrow.

GJ
Would the need to clean be related to the sushi?
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Offline kennysabarese

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Re: How to clean Mass Air Flow sensor
« Reply #24 on: April 26, 2010, 11:13:02 AM »
If you drop a piece of sushi on the floor, just spray it with some MAF cleaner and you are good to go :thumbs:
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