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View Poll Results: How often do you clean your MAF sensor? | |||
Once a month or more | 23 | 3.50% | |
When i change my oil | 91 | 13.83% | |
When it needs it, I can tell by my EM or my butt dyno | 159 | 24.16% | |
NevAR | 388 | 58.97% | |
Multiple Choice Poll. Voters: 658. You may not vote on this poll |
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01-01-2014, 07:03 PM | #176 | |
Scooby Newbie
Member#: 340268
Join Date: Dec 2012
Location: Far West TX
Vehicle:2008 WRX STi hatch Dark Gray Metallic |
Same intake, same issue
Quote:
I had the idea of cleaning my air filter pop into my head today...So I set out to do that... It's the AEM CAI with the dry filter... I hadn't cleaned it since I put it on the car, and after having my motor built this summer, I thought it would be a good idea! after cleaning the filter using just my air compressor and vacuum, purging it from inside out I was shocked at how much dust makes it past the filter into the intake... That aside as soon as I refired the car my idle was rough for a bit and then the car shutoff. Long story short after resetting the ECU and panicking that I may have thrown off the pro tune done on the car I was advised to clean the MAF... Crisis averted and the car seems to run fine now. For awhile I was thinking my filter was so dirty it threw off the tune...I'll clean both my filter and MAF every oil change from now on...
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01-02-2014, 08:50 AM | #177 |
Scooby Newbie
Member#: 377539
Join Date: Jan 2014
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I was one of the NeVAR guys... until reading this thread.
Looks like I'm buying a can of spray next time I'm at the auto store!! |
03-22-2014, 04:23 PM | #178 |
Scooby Newbie
Member#: 201307
Join Date: Jan 2009
Chapter/Region:
MWSOC
Vehicle:2002 wrx wrb |
Just to keep giving people reassurance to do this, I did this today. Took the MAF off and it looked pretty dirty on the outside. Sprayed it down with MAF cleaner and the IAT looked pretty good after a few sprays. I sprayed in the side with the actual MAF a few times and the "top" wire of the MAF sensor looked brand new. The bottom one looked like someone hocked a tar loogie on it. I sprayed it some more and it was still dirty. I let it soak for 10 minutes, sprayed it again and nothing. I was down to about a quarter of a can of this stuff. So, I know people have advised against this, but I went ahead and got a qtip and gently rubbed the wire. It took about 10 minutes of cleaning but it finally looked just like the top one. I sprayed it a few more times, reinstalled everything, took it for some light driving and after about 40 miles I decided to get on it. It felt like a brand new car. I had hesitation above 4k rpm in any gear. It's all completely gone. Pretty sure I'll be doing this every other oil change or so.
EDIT - just got my car inspected and this cleared my P0171 code as well. This is so easy that you should definitely try this first before spending anymore money to try and clear that code. Last edited by hatchd; 03-28-2014 at 06:24 PM. |
03-26-2014, 02:41 PM | #179 |
Scooby Specialist
Member#: 298474
Join Date: Oct 2011
Location: Crestline, CA
Vehicle:2010 Forester OBP |
So Simple
I have a slight A/F Correction issue around 2000 RPMS with my 08 WRX on the OTS Stage 1 91 Oct Cobb map. It was suggested that I take a look at the MAF sensor, then I found this thread. I'm going to run out tomorrow when it's not 34 degrees out and give it a shot. For the skeptics, I'll let you all know how it turns out.
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03-26-2014, 03:02 PM | #180 |
Scooby Specialist
Member#: 328669
Join Date: Aug 2012
Chapter/Region:
SWIC
Location: Reno, NV
Vehicle:2017 STI Red. Duh |
When it needs to be cleaned. Duhh
They dont get dirty nearly as often as people think they do. |
04-30-2014, 05:56 PM | #181 |
Scooby Newbie
Member#: 387857
Join Date: Apr 2014
Vehicle:1996 STI Type RA |
Can this be done easily on a GC8 Type RA? Probably hasn't been done in a long time. Not even sure what a MAF sensor looks like..
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04-30-2014, 06:02 PM | #182 | |
Scooby Specialist
Member#: 197384
Join Date: Dec 2008
Chapter/Region:
NESIC
Location: MWV NH
Vehicle:2006 WRX Ltd OBP |
Quote:
Hell this was easier: http://lmgtfy.com/?q=cleaning+maf+sensor+impreza#seen |
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04-30-2014, 06:08 PM | #183 |
Scooby Newbie
Member#: 387857
Join Date: Apr 2014
Vehicle:1996 STI Type RA |
Erm yeah pretty dumb question.. move along nothing to see here
Last edited by Phr00t; 04-30-2014 at 06:24 PM. |
05-02-2014, 09:52 PM | #184 |
Scooby Newbie
Member#: 233240
Join Date: Dec 2009
Chapter/Region:
SWIC
Location: San Tan Valley, AZ
Vehicle:2007 Forester XT |
i look at mine about every 2-3 oil changes and clean as necessary.
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05-07-2014, 04:17 PM | #185 |
Scooby Newbie
Member#: 195875
Join Date: Nov 2008
Chapter/Region:
Tri-State
Location: Edgewater, NJ
Vehicle:2007 STI White |
I never cleaned mine...
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05-08-2014, 05:54 PM | #186 |
Scooby Newbie
Member#: 382191
Join Date: Feb 2014
Location: Everywhere and Nowhere
Vehicle:2006 WRX |
About once a year, usually around the beginning of summer.
I usually do an annual beginning of summer "refresh", which is usually simple things like; clean the MAF, run a can of fuel injector cleaner, reset ecu, etc... Takes maybe 10-15 minutes. Last edited by SwollRX; 05-08-2014 at 06:00 PM. |
05-08-2014, 07:49 PM | #187 | |
Scooby Specialist
Member#: 279525
Join Date: Apr 2011
Chapter/Region:
Tri-State
Location: QUEENS NY
Vehicle:06 Fxt |
Quote:
I usually clean my maf once a season since im running a CAI. I think i should do it more often though. |
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05-08-2014, 10:47 PM | #188 | |
Scooby Newbie
Member#: 382191
Join Date: Feb 2014
Location: Everywhere and Nowhere
Vehicle:2006 WRX |
Quote:
Its more out of habit as I have run a can of seafoam once per year on my past vehicles (seemed to help those a bit more, old fuel injection and diesel technology, etc..). |
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05-09-2014, 01:22 AM | #189 | |
Scooby Specialist
Member#: 321546
Join Date: May 2012
Chapter/Region:
BAIC
Location: Santa Cruz, Ca
Vehicle:2006 Wrx Limited OBP |
Quote:
Here in california we dont get the best quality 91octane gas. I pour 2 bottles of chevron techron inj. Cleaner in every 5k miles. 1 at a time back to back on fillups. Helps get rid of the deposits the lower quality gas leaves. Its already in the chevron gas but not as concentrated as other states so I add it every once in a while. Too much can leave deposits on the plugs from weird combustion tho. To be fair its expensive and only buy it when I get one free with purchase. |
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05-09-2014, 07:54 PM | #190 |
Scooby Newbie
Member#: 76673
Join Date: Dec 2004
Chapter/Region:
Tri-State
Location: Long Island
Vehicle:2006 Impreza WRX STi Crystal Grey Metallic |
I've got 106,000 miles on my STi....I never cleaned my MAF. I didn't know.
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02-13-2015, 08:13 PM | #191 |
Scooby Specialist
Member#: 311622
Join Date: Feb 2012
Chapter/Region:
Tri-State
Location: Pa.
Vehicle:2020 WRX Lapis Blue |
Cleaned my MAF after seeing high negative Learning 1 -12.0,1A-11.0,1B- 10.5.Didn't reset ECU to see exactly what changes were to take place if any.After 15 minutes of driving the values were all around
-2.0 and after 100 miles they are all within +/-5%.So cleaning the MAF absolutely helped ! |
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