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O2 sensor position in downpipe
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Old 26 Jan 2012, 09:06 PM   #1 (permalink)
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O2 sensor position in downpipe

anybody know is any difference in O2 sensor position in downpipe?

mine second sensor(as first are before turbo) are in downpipe after cat. i get another downpipe(as mine are to much rusts and holes) in this downpipe O2 sensor are before cat.

so any differences in which position is sensor?


ps mine car are jap import 1995 wrx
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Old 29 Jan 2012, 02:19 AM   #2 (permalink)
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Re: O2 sensor position in downpipe

In my 00 sti RA the o2 sensor located here check the pic on link How to replace Gearbox Oil classics have only one o2 sensor, think in the new ages upwards have 2 maybe wrong with that but pretty sure, you sure this second sensor is not just a sensor for the cat overheating sends up a red light on dash if car back fires or misfires or unburned fuel in cat and it warns you if cat getting really hot its like a temp probe sensor, put up a pic
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Old 31 Jan 2012, 07:54 AM   #3 (permalink)
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Re: O2 sensor position in downpipe

Quote:
Originally Posted by stiimpreza1984 View Post
In my 00 sti RA the o2 sensor located here check the pic on link How to replace Gearbox Oil classics have only one o2 sensor, think in the new ages upwards have 2 maybe wrong with that but pretty sure, you sure this second sensor is not just a sensor for the cat overheating sends up a red light on dash if car back fires or misfires or unburned fuel in cat and it warns you if cat getting really hot its like a temp probe sensor, put up a pic
my mistake was wrongly informed. its really exhaust gas temperature sensor .
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