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UNYSOC.ORG - Upstate NY Subaru Owners Club

May 23, 2012, 09:22:14 PM
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Author Topic: CEL P2096  (Read 1639 times)

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Offline zeedeveel55

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Re: CEL P2096
« Reply #25 on: March 28, 2011, 06:17:00 PM »
yea good question, is this something that can be taken care of by turning it off?
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Offline phong

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Re: CEL P2096
« Reply #26 on: March 28, 2011, 06:20:25 PM »
Quote from: zeedeveel55 on March 28, 2011, 06:17:00 PM
yea good question, is this something that can be taken care of by turning it off?

Looks like you got some research'n to do son... :2funny:

See what you come up with...I'll do the same.
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Offline phong

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Re: CEL P2096
« Reply #27 on: March 28, 2011, 08:21:04 PM »
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Offline zeedeveel55

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Re: CEL P2096
« Reply #28 on: March 28, 2011, 08:52:12 PM »
balls, ok ill check the wiring and then see if fred has one in stock
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Offline TheBigChill

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Re: CEL P2096
« Reply #29 on: March 28, 2011, 10:00:52 PM »
Quote from: phong on March 28, 2011, 06:06:47 PM
If you want to log again I'm in town tomorrow night.  I found the logs from last time, they don't really show much...especially since I was having a brain fart when selecting parameters.

So, has anyone actually determined whether or not the rear sensor in the EJ255/7 engines actually plays a larger role than in the EJ205/7 engines?  If it doesn't, then it would be safe to disable the codes rather than wasting money on an "emissions only" sensor.



 I haven't determined it anymore than my initial suggestion / statement.   Though, I do stand by that statement.   I have not once seen an instance where this code has popped up on an ej20 powered WRX.  The fact that the name of the CEL has "fuel trim" and "too lean" in it, suggests that it will make changes to and affect fueling.  


Edit:  There ya go. 
« Last Edit: March 28, 2011, 10:02:57 PM by TheBigChill »
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Offline Kavik

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Re: CEL P2096
« Reply #30 on: March 28, 2011, 10:41:52 PM »
Don't hold me to this, this statement is for curiosity sake, not diagnosis....but I looked up the code in the service manual, confusing shit I'm not going to portend to understand, but I got the impression that it only checks for lean conditions and throws the codes if it finds them....nothing indicating that it makes any changes to the mix to correct it
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Offline TheBigChill

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Re: CEL P2096
« Reply #31 on: March 29, 2011, 01:44:43 PM »


 Any half-way decent functioning ECU should at least slightly increase fuel delivery when it throws a CEL noting that you're running too lean.  Call me a crazy idealist. 
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Offline Kavik

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Re: CEL P2096
« Reply #32 on: March 29, 2011, 02:04:22 PM »
I agree that it's dumb if it doesn't adjust based on that....just saying I don't see anything saying that it does *shrugs*
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Offline TheBigChill

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Re: CEL P2096
« Reply #33 on: March 29, 2011, 02:09:46 PM »

  Yeah, no problem, I got ya buddy. 
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Offline keifer75

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Re: CEL P2096
« Reply #34 on: March 30, 2011, 01:01:27 AM »
had the same issues, was the rear o2, warranty ftw :mrgreen:
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Offline dmjhockey19

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Re: CEL P2096
« Reply #35 on: April 17, 2011, 09:29:50 PM »
devin aren't you catless? in that case rear o2 sensor is useless.  please correct me if im wrong
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Offline zeedeveel55

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Re: CEL P2096
« Reply #36 on: April 17, 2011, 11:10:19 PM »
no, i've got a cobb catted DP. and replacing the 02 sensor worked. ive put 1000 miles at least on it without the code coming back. im also getting like 4mpg better. i used to be able to only get maybe 275 on a tank. on the last 2 tanks ive done 320 and i was at 280 with a 1/4 tank left today.
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Offline gebby1029

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Re: CEL P2096
« Reply #37 on: April 17, 2011, 11:19:02 PM »
Damn.  I've only gotten 320 or better when it's be 90% highway.  Think I may need to log and see what is going on because I don't think it is entirely my right foots fault haha.

Glad you figured it out though.
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