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Old 01-28-2004, 07:30 PM   #1
subiedreamin
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Member#: 20407
Join Date: Jun 2002
Chapter/Region: MAIC
Location: Wilmington Delaware
Vehicle:
1999 RS w/ V7 STI
White

Default O2 Sensor

I got a CEL the other day that said the bank 1 sensor 1 O2 sensor was bad....how hard is it to replace it, is it worth doing myself?
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Old 01-29-2004, 02:44 AM   #2
Unsung Boxer
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Join Date: May 2003
Location: WA state
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doesnt mean its bad, means its out of range... could be from poor AFC tuning. it detects A/F mixture for fuel trims.

easy to replace, but the CEL does not mean its bad.

-Jake
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Old 01-29-2004, 06:38 AM   #3
subiedreamin
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1999 RS w/ V7 STI
White

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Quote:
Originally posted by Unsung Boxer
doesnt mean its bad, means its out of range... could be from poor AFC tuning. it detects A/F mixture for fuel trims.

easy to replace, but the CEL does not mean its bad.

-Jake
Ok, so does that mean i don't need to replace it?
btw, i don't have a afc, just intake and exhaust
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