Engine/Power - EJ20T (pre-2006 WRX and JDM) There is replacement for displacement, it is forced induction - OEM 2.0 liter turbo engines in the USDM WRX. 90-94 Legacy Turbo EJ22 turbo engines can also be discussed here.

Where is the MAF sensor?

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Old Oct 30, 2004 | 05:28 PM
  #2  
WRX2ndregime's Avatar
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Number one, don't ever touch your MAF censor, if it's faulty buy a new one. If you touch it you will probably screw it up. It is fine pieces of metal right after your air filter that read the incoming air charge (and extreamly easy to break), should be the unit with the wiring going into it on top of your air box. The only reason people have problems with them and say it get's intake oil on them is because they are retarded, have no buisness taking apart anything in their engine bay, and are ripping apart things for the sake of looking at it.

If you get an aftermarket intake and you need to install it don't touch it, and if you re-oil your filter because it's washable make sure it's dry and not logged with oil when you reinstall it. That is the only reason I could think of for oil being on it, other then turbo cars randomly consume and burn oil. Lets say you take your intercooler off and there is a small amount of oil around the edges of the inlets, this is normal. It will randomly go into your blow off valve and into your intake. I recommend not getting an aftermarket intake, the stock one is fine.
Old Oct 30, 2004 | 07:59 PM
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MO REX's Avatar
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I have heard of people cleaning their MAF by putting it into a plastic bag, gently spraying it with non-clorinated brake cleaner and letting it dry. If you do this make sure not to touch the MAF wire because it will break.

Here is a link http://spydermagazine.com/2002/March.../maf_clean.htm

Last edited by MO REX; Oct 30, 2004 at 08:12 PM.
Old Oct 31, 2004 | 04:49 PM
  #4  
imprezilization's Avatar
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Car Info: 04 black wrx
my 04 came with the reddish oem filter too, though i am not sure its oiled. im using cai for over a year now, i already cleaned and reoiled twice, and i didnt have problem w/ maf.
Old Oct 31, 2004 | 05:43 PM
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ride5000's Avatar
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Originally Posted by WRX2ndregime
The only reason people have problems with them and say it get's intake oil on them is because they are retarded, have no buisness taking apart anything in their engine bay, and are ripping apart things for the sake of looking at it.
you obviously haven't had your car for too long. if you had, you would know that maf sensors DO get dirty, no matter WHAT filter you use, and that cleaning them properly as part of a regular scheduled routine will not negatively affect their longevity, and will only help keep your car running tip top.

jm2c
ken
Old Nov 1, 2004 | 08:28 AM
  #6  
WRX2ndregime's Avatar
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I'm just saying if something get's so bad that it causes a problem, get a new one, MAF sensors aren't that expensive. It also sounded like he wanted to take it out every week and clean it. I know any sensor gets bad over time, but these sensors are a pain to not throw when you mod any car. I've been modding cars forever now and I know some people read stuff on a message board not knowing what to do. They go out, rip their intake apart and F' with their MAF then it's broke and they don't have a car. Then they go to subaru and they get charged 300 bucks to put on a 20 dollar sensor. The whole point of my message was tell him not to mess around with it untill he throws a CEL for it.
Old Nov 2, 2004 | 01:05 AM
  #7  
sigma pi's Avatar
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Originally Posted by WRX2ndregime
I'm just saying if something get's so bad that it causes a problem, get a new one, MAF sensors aren't that expensive.
The whole point of my message was tell him not to mess around with it untill he throws a CEL for it.
not expensive?

if it aint broke dont fix it
Old Dec 21, 2004 | 06:31 PM
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Car Info: 2002 Wrb WRX sedan
Regarding the cleaning what should I see afterwards? what I mean is that when I look in there now (assuming its dirty) I see the two wires coming across with what looks like tubes covering the wire in the middle. what should see after its clean? I don't want whatever that covering is to be taken off my the cleaner.
Todd
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