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o2 sensor problems

Old Nov 1, 2011 | 01:21 PM
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From: Tahlequah, OK
Default o2 sensor problems

Recently i installed LT's and did the pcm re-pin trick for making the rear o2's function as the front's.

I went to datalog the new setup and found that all of the o2's are reading at .44-.45mv no matter what. I am assuming they are dead? Before i installed the headers i had the y-pipe cut just after the the o2's to make taking the manifolds out easier. The rear o2's were still plugged in at this time.

Would the rear o2's being so close to open air kill them? They are covered in soot also. And can i connect the o2's that were up front to the rears in case they are still good?

Also, the car seems to function like they are working in a way (high idle when cold, and setting at a normal idle when warm). No stumbling or popping exhaust.
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