Another oxygen sensor thread
#1
Another oxygen sensor thread
so i Searched and found good information.. But Im just not understanding any of it.. So i turned to my last resort and actually posted.. P0138 and P0139 are the codes Im getting.. Bank 1 sensor 2
![](http://memimage.cardomain.net/member_images/11/web/419000-419999/419735_134_full.jpg)
The one i need to replace in the one on the rear of the y-pipe correct?
or is it the one after the cat? If its the one after the cat then i'll just get a o2 simulator..
Sorry for the asking something thats been covered time and time again.. Just didnt want to replace something thats not broke.
![](http://memimage.cardomain.net/member_images/11/web/419000-419999/419735_134_full.jpg)
The one i need to replace in the one on the rear of the y-pipe correct?
or is it the one after the cat? If its the one after the cat then i'll just get a o2 simulator..
Sorry for the asking something thats been covered time and time again.. Just didnt want to replace something thats not broke.
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