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MAF (mass airflow sensor) cleanup day

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Old 02-20-2011, 01:33 PM
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MAF (mass airflow sensor) cleanup day

In between sneaking peeks at the Daytona race today, I'm cleaning the MAF. In case you haven't done this, here's a quick pictoral.
1. pop off the air filter housing
2. oops, pull out the key, disconnect the battery
3. pop off the MAF assembly from the filter housing with a screw driver (gently)
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Old 02-20-2011, 01:38 PM
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4. disconnect the wiring from the sensor.
5. place it on a workspace and get out the spray.
6. Spray sensor thoroughly.
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Old 02-20-2011, 01:43 PM
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7. Let it all dry well before reinstalling.
8. If you run an oily airfilter, clean it up while you're in there.
9. Don't over oil or you'll be doing this again soon.
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Old 10-11-2011, 08:26 PM
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This is great thank u!!!
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Old 10-11-2011, 10:23 PM
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From the Future:

Quote:
Originally Posted by jh818 View Post
Make sure you disconnect the negative terminal on your battery before you begin. Don't want to accidentally short something. Plus, it will be long enough for the computer to reset and relearn your druving pattern with the cleaned MAF sensor.
Thanks John!
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Old 10-12-2011, 08:12 AM
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in past 2 vehicles i damaged 2 of those mass air sensors from using k&n oil type filters. between the cost of the k&n, new air sensors, and oil cleaning kit, I would never recoupe the money spent in trying to save 1or2 mpg. just by the cheapest air filter every year and you'll be better off.
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Old 10-12-2011, 08:16 AM
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and to those who insist on using the oil... just keep your old cheap filter to use for a day or 2 while your filter soaks up the oil. trick is very little oil and let it sit at least a day or 2. if you try to spray it all up to make it look red your gonna wind up with problems.
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Old 01-24-2012, 01:14 PM
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Thanks wpnaes! The pics made the job really easy. Had some dirt built up on there and now have as smoother idle. Truck just sounds happier.
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Old 02-12-2012, 05:14 PM
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Question

Thanks for the post on this issue. I purchased my X with the K&N filter on it. I am going to clean it today and hopefully not over oil the darn thing. Should I clean the MAF sensor on a regular basis? Thanks
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Old 02-12-2012, 05:24 PM
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I clean it once a year. I clean the K&N every 6 months or so.
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Old 02-12-2012, 05:57 PM
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Thread added to the tech folder.

Stewart
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Old 02-18-2012, 11:48 AM
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Thanks Stewart.

JWA encountered this issue while cleaning, I thought it might come in handy for others: (Thx JWA!)


MAF Cleaning

<HR style="BACKGROUND-COLOR: #d1d1e1; COLOR: #d1d1e1" SIZE=1><!-- / icon and title --><!-- message -->Noticed your great post about MAF cleaning---nice photos, makes it easier for those never attempting this operation.

I also did this but encountered a minor problem with the pressed-in threaded inserts that hold the sensor in the intake tube. Photos here:

http://i184.photobucket.com/albums/x.../AirDuct88.jpg

http://i184.photobucket.com/albums/x.../AirDuct89.jpg

http://i184.photobucket.com/albums/x.../AirDuct11.jpg

If these would be useful to include in your post and/or tech folder please feel free to use them. This might not be a common thing but might be helpful to know in advance it can happen.


J W A
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Old 02-18-2012, 11:55 AM
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That sucks. Super glue should do the trick.
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Old 04-17-2012, 07:33 AM
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Quote:
Originally Posted by wpnaes View Post
Thanks Stewart.

JWA encountered this issue while cleaning, I thought it might come in handy for others: (Thx JWA!)


MAF Cleaning


<HR style="COLOR: #d1d1e1; BACKGROUND-COLOR: #d1d1e1" SIZE=1><!-- / icon and title --><!-- message -->Noticed your great post about MAF cleaning---nice photos, makes it easier for those never attempting this operation.

I also did this but encountered a minor problem with the pressed-in threaded inserts that hold the sensor in the intake tube. Photos here:

http://i184.photobucket.com/albums/x.../AirDuct88.jpg

http://i184.photobucket.com/albums/x.../AirDuct89.jpg

http://i184.photobucket.com/albums/x.../AirDuct11.jpg

If these would be useful to include in your post and/or tech folder please feel free to use them. This might not be a common thing but might be helpful to know in advance it can happen.


J W A

Some Great info here -- Just what I was looking for. Gonna clean mine this weekend
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Old 07-09-2012, 10:20 PM
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Can someone tell me where the MAF sensor is on my 02 Excursion with a k&n cold air kit on it? I don't see anything resembling the picture in mine...
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