Need PO141 Help, tried all the basics (solved) (1 Viewer)

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Jul 16, 2013
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Ive search and looked high and low but not finding what im looking for. Hope you guys could help and point me into the right direction.
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So 2 years ago i got a magnaflow exhaust, headers back and put in toyota O2 sensors. Everything was great. No issues. I just finished my headgasket job last month and on my second ride i threw a Engine Code PO141 sensor 1 bank 2. Boo
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My mechanic friend has a obd reader which can monitor o2 sensor reading and we went for a ride and he told me the rear sensor was not very responsive. He suggested to just replace it. So i called the dealership and they said that o2 sensors are now discontinued. I seen on here people are going to sparkpulgs.com and getting quality sensors. So i did and the new sensor came in, installed it and same thing. PO141 second ride again.
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I visually checked my emissions connections but nothing seems a miss.

What else could i check or do? Did I get the correct O2 sensor. What am I missing. The CE light is driving me nutz!
 
Last edited:
Solved! Found 2 chafed wires under the wrapping. Lucky that it was pretty close to the plug end so i didnt have to chase the wires too deep over the transmission. Short trim and two butt connectors and were good for now.
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