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MAF (mass airflow sensor) cleanup day

  #16  
Old 07-09-2012, 09:37 PM
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Originally Posted by king-david
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...
Do you have a gasser Ex? You don't have anything listed in your sig.

If you have a PSD, you won't have one.

Stewart

PS - It really helps us if you fill out your sig so we know your Excursions pedigree.
 
  #17  
Old 07-09-2012, 10:08 PM
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Originally Posted by Stewart_H
Do you have a gasser Ex? You don't have anything listed in your sig.

If you have a PSD, you won't have one.

Stewart

PS - It really helps us if you fill out your sig so we know your Excursions pedigree.
I'm a little embarrased to say, I have no idea where to change my sig!

But I have a 2002 Ex v10 gasser. I'm going back to look for 'edit my signature'

EDIT: looks like i need some more posts!
 
  #18  
Old 07-09-2012, 10:35 PM
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David, it should still be upstream of your K&N filter. Post a couple more and you'll be able to change your signature.
 
  #19  
Old 07-09-2012, 10:44 PM
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Originally Posted by wpnaes
David, it should still be upstream of your K&N filter. Post a couple more and you'll be able to change your signature.
Upstream like where?





Excuse the dirtyness...
 
  #20  
Old 07-09-2012, 11:12 PM
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I think I see it here. Look at all the wires going into the tube!
 
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Last edited by wpnaes; 07-09-2012 at 11:15 PM. Reason: one more pic
  #21  
Old 07-09-2012, 11:14 PM
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Originally Posted by wpnaes
I think I see it here. Look at all the wires going into the tube!
<runs and hides embarressed>

Thank you sir!
 
  #22  
Old 07-09-2012, 11:14 PM
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Is that it right behind that plate after the filter? It has a plug and wires.
 
  #23  
Old 07-10-2012, 09:34 AM
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Originally Posted by CrzHelm
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.
Based on advice from other FTEr's, I ditched the K&N that came with my X for the stock air filter.
 
  #24  
Old 07-10-2012, 10:30 AM
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Originally Posted by f150crewcab
Based on advice from other FTEr's, I ditched the K&N that came with my X for the stock air filter.
I thought there was another thread that said that may not actually be the case? I know k&n has done some research on it and found a significant number of things that were being blamed on them, were not them at all.

http://www.knfilters.com/MAF/massair.htm
 
  #25  
Old 07-10-2012, 07:17 PM
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You all might be happy to know, that I successfully removed/cleaned my MAF
 
  #26  
Old 12-31-2012, 11:48 AM
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MAF removal for cleaning?

I cleaned my MAF, but did not actually open the housing of the circuit board; didn't have a torx. So, removing the tubular housing (that's inside the section just downstream, from the filter) and spraying both thermistors, was the best I could do. They seemed to clean nicely, and I was careful not to drip in, toward the circuit board.
Does the FTE collective braintrust think that's adequate?
 
  #27  
Old 12-31-2012, 12:24 PM
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Yes, this portion of the braintrust thinks so.
 
  #28  
Old 12-31-2012, 12:48 PM
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You should see some kind of wiring harness attached to your zip tube.
 
  #29  
Old 01-02-2013, 04:14 AM
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Originally Posted by pyrodenis
I cleaned my MAF, but did not actually open the housing of the circuit board; didn't have a torx. So, removing the tubular housing (that's inside the section just downstream, from the filter) and spraying both thermistors, was the best I could do. They seemed to clean nicely, and I was careful not to drip in, toward the circuit board.
Does the FTE collective braintrust think that's adequate?
Also agree this should be more than enough. I've done it both ways with equally positive results. Fact is you might be able to do this very effectively not even removing anything other than the filter and its removable housing, just aim the cleaner directly at the MAF. Perhaps give the sensor a squirt or two when the filter is changed?
 
  #30  
Old 05-10-2016, 07:45 AM
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Don't mean to resurrect a zombie thread, but I searched and found the info I needed, so thanks to the OP. However, I want to add a note of caution to one comment I saw that said to buy the cheapest filter. I am having to do this because of the failure of the glue that holds the paper element to the 'nose cone' on the filter. Not even 20K miles on it. The failure allowed unfiltered air to pass thru the intake and eventually caused a check engine soon warning. I'm hoping that cleaning the MAF will be sufficient. The filter in question wasn't even the cheapest, in fact it was a Motorcraft. I have always been a fan of Wix air and oil and will try to stick with my tried and true in the future.
 

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