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Old 05-02-2010, 11:29 PM   #1
subiee sTi
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Member#: 86944
Join Date: May 2005
Chapter/Region: BAIC
Location: San Francisco
Vehicle:
04 Sti
Blue & Black

Default CEL Fix, Need help with the rear o2 sensor

I need help to get rid of the CEL because of my rear o2 sensor..I already have a spacer that I bought from ebay..but it does not eliminate the CEL. Does anyone have any other suggestions on how to eliminate it? If possible can anyone provide me with a link to a product if u know one?
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Old 05-02-2010, 11:33 PM   #2
jdmboy
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Member#: 240161
Join Date: Mar 2010
Chapter/Region: MAIC
Location: MD
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2002 wrx wagon R.I.P
87 bmw e30

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you may need to replace the o2 sensor
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Old 05-02-2010, 11:34 PM   #3
Jubert69
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Member#: 167739
Join Date: Dec 2007
Chapter/Region: Tri-State
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04 WRX
ej207 spec C 18g

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Opensource tune it out. But you know your car won't learn and fueling trims, right?
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Old 05-03-2010, 02:28 AM   #4
subiee sTi
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Blue & Black

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Quote:
Originally Posted by Jubert69 View Post
Opensource tune it out. But you know your car won't learn and fueling trims, right?
What do you mean by it wont learn the fueling trims??...I thought that the rear o2 sensor doesnt even matter..if it was the front, I know I would have to replace that..but from the research I've done, the rear o2 is pretty much useless.
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Old 05-03-2010, 12:18 PM   #5
romanlynch
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Join Date: Sep 2006
Chapter/Region: MWSOC
Location: Lima, OH
Vehicle:
02 wrx
PLATINUM silver baby

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if you use opensource to turn the light off thats all ur doin, just turning the light off. if theres any kinda problem it will still be there. what i mean by that is say u have a misfire, u can turn off the cel for that specific code, but the mis will still be there.

fwiw i had the electrical fix on mine, my wb02 wasnt reading what the fuel targets were, i removed the resistor and the fuel targets are spot on, and for whatever reason i havent had my cel come on. and i did not use romraider to turn it off.
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