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Old 11-02-2005, 08:42 PM   #1
kingtut12
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RIP 02' 2.5WRX PSM

Question CEL code P0113 and P0102 together

Car : 2002 WRX
Codes thrown : P0102 - MAF Circuit Low Input
: P0113 - Intake Air Temp Circuit High Input

Car's been idleing rough and stalling intermittently - always stalls if air intake filter is blown on (seriously..at idle if I blow on filter {Like a birthday cake} it will die everytime)

Direct relation to CEL's, here?

I searched the "Big Code Thread", but found no P0113, and no solution to the P0102. Any ideas here? I've already swapped out the maf sensor...that wasn't it. Thanks.
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Old 11-02-2005, 10:38 PM   #2
SonnyCrockett04
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I had a P0102 code not to long ago and all it was, was my MAF connector was loose. Not sure about your other code though.
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Old 11-03-2005, 08:02 AM   #3
kingtut12
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I believe the connector is fine, but I'll double check. Anyone else have ideas? Thanks.
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Old 11-03-2005, 09:53 AM   #4
waktasz
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I don't know if it could be it or not, but someone is bound to post 'clean your MAF' sooner or later.
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Old 11-03-2005, 06:27 PM   #5
kingtut12
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Quote:
Originally Posted by waktasz
I don't know if it could be it or not, but someone is bound to post 'clean your MAF' sooner or later.
Yeah, I looked at it and it appears brand new. But, I can clean it anyway. The Big Maf sensor has what appears to be a hardened bead of oil on the tip of the sensor, but I found out that this is normal. One of the codes mention Air Intake Temp. Where is the Intake temp. sensor or module? Is there one? Can it be replaced?
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Old 11-03-2005, 06:43 PM   #6
kingtut12
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According to the service manual, the air intake temp sensor and mass air flow sensor are the same thing. I've already swapped the Maf out, and it did not help, so plan B?
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Old 04-08-2009, 01:15 PM   #7
jaysbluewrx
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hads anyone figured this out yet i have the same problem and im stumped i bought a new MAF changed out the o2 sensor in the manifold checked for cracks in the stock manifold but i cant get the car to run smooth for anything and i cant get rid of the codes
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Old 06-05-2011, 07:49 PM   #8
dblurx02
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Bumping this to the top, only because my car is doing this now too. Same year and same issues. I have tried cleaning the MAF and the filter w/o oil. Im so lost.
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Old 06-29-2011, 02:04 AM   #9
shultz2
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i just got these codes same year, but mine only came on after i installed a new turbo inlet
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Old 06-29-2011, 11:07 AM   #10
Haelan
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Check the harness plug for the MAF. If it was jammed onto the sensor at a weird angle one or more of the connector pins can be pushed out of the harness.
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Old 07-02-2011, 09:22 PM   #11
scooter11
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Dang, I just got my built motor running and I have these codes. Car runs like dog crap.
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Old 08-12-2011, 12:14 PM   #12
kariusvega
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anyone figured this one out?? i have my 05 at the dealership currently with these two very codes and the same issue. they are stumped at the moment.. once they or i figure it out i will be sure to post.
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Old 08-14-2011, 08:38 PM   #13
future_subaru_owner
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Please do i just droppped in my hybrid build, and i have these 2 codes. I'm assuming that's why it won't start.
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Old 11-20-2011, 12:17 PM   #14
rotheee
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I am running into the same codes! anyone get their fixed? I'm also not able to reach full boost, maybe 15psi. Car is tuned at 22psi. Don't know if this is a syptom of the CEL codes. Tried doing a boost leak test, didn't find anything.
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Old 11-20-2011, 02:26 PM   #15
666stars
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Check main connection near battery for loose wires. The wire that's green with a black stripe is the ground for all those sensors on the intake manifold. Also if it won't start make sure all the connectors to the ecu are fully plugged in
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Old 11-20-2011, 09:20 PM   #16
vtrex2009
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Check your IACV. The gasket may be broken. Or you may need to clean it. Make sure that you have a spare IACV gasket handy though. I threw a similar code in the summer. Cleaned my IACV and it went away.

Any recent mods?

If you ran a scan with a Cobb Accessport make sure your connections were correct with the Accessport.

Also, when you clean your MAF, clean the two little wires inside too.

Good Luck
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Old 11-20-2011, 10:24 PM   #17
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Quote:
Originally Posted by vtrex2009 View Post
Check your IACV. The gasket may be broken. Or you may need to clean it. Make sure that you have a spare IACV gasket handy though. I threw a similar code in the summer. Cleaned my IACV and it went away.

Any recent mods?

If you ran a scan with a Cobb Accessport make sure your connections were correct with the Accessport.

Also, when you clean your MAF, clean the two little wires inside too.

Good Luck
dont think these guys have anything wrong with their iacv
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Old 03-30-2012, 11:07 PM   #18
aggie113
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Well I am now throwing these codes as well. I just got back from a 4 hour drive, stopped home (turned off for a minute) then ran back out to town and just driving normally the car started to stutter and I could not get it to run for more than a few seconds afterwards. Currently sitting in my garage after having it towed back home
Going to take the front bumper off tomorrow to check all the connections for the FMIC as it behaved like this when one of the hoses popped off in the past.

Edit: Ok, freaking out a bit less now. The car idled fine with the MAF unplugged and when I went to disconnect the top pipe of the FMIC setup to get to the MAF to check it I realized the hose going down to the FMIC is loose (as in off) and flopping around. So tomorrow I was planning to take my front bumper off anyway to check the wiring for my fog lights which stopped working a few months back anyway Glad it happened close to home and not earlier in the the day when I was 100 miles away.

Last edited by aggie113; 03-30-2012 at 11:32 PM.
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Old 03-31-2012, 04:58 PM   #19
aggie113
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Issue fixed, cleared the codes, put everything back together and it's running fine. Ordered some T clamps to replace the ones that APS provided with the kit, don't need this happening a third time!
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Old 11-12-2012, 08:48 PM   #20
Dailoh
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I have a 2012 WRX. I replaced the air box filter today with another OEM one. After start up I blew a CEL and the cruise control light started blinking. Luckily I was at my friend's shop and we scanned the code. Same thing as here, P0102 and P0113. We checked the MAF and it was plugged in correctly. We took the air box and all others that are connected to it apart and put it all back together. We cleared the code with the scanner and the CEL never came back on. But the scanner is showing a soft code for it still. I did 2 pulls (to target boost PSI) when the road was clear and the PSI was fine and the car did not studder or anything. I am kinda of disheartened since this is still less than a year old. Please help, thanks in advance.
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Old 11-12-2012, 08:52 PM   #21
Haelan
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Quote:
Originally Posted by Dailoh View Post
I have a 2012 WRX. I replaced the air box filter today with another OEM one. After start up I blew a CEL and the cruise control light started blinking. Luckily I was at my friend's shop and we scanned the code. Same thing as here, P0102 and P0113. We checked the MAF and it was plugged in correctly. We took the air box and all others that are connected to it apart and put it all back together. We cleared the code with the scanner and the CEL never came back on. But the scanner is showing a soft code for it still. I am kinda of disheartened since this is still less than a year old. Please help, thanks in advance.
Check the electrical connection to the MAF. The sensor isn't getting power. Could be a bent pin.
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Old 06-27-2013, 06:20 AM   #22
Krisxcore
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any one have any more info on fixing this? I'm getting the same two codes and I'm not sure what to do.
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Old 10-11-2013, 07:50 PM   #23
edward_02
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same codes and same issues , anyone came up with an answer to this ?
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Old 10-20-2013, 02:48 PM   #24
urabuster
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I'd like to bump this one up for an answer too!
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Old 12-03-2013, 02:27 PM   #25
larkenyceWRX
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This exactly where I'm at. I was getting a crank no start issue. I was trouble shooting and so now I have the maf low input and the air intake temp. With with smoke. I'm stumped. Anyone with any solid input please shed light.
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