vettekidc5

P0135 Heated Oxygen Sensor (HO2S) Heater Circuit Bank 1 Sensor 1
P0155 Heated Oxygen Sensor (HO2S) Heater Circuit Bank 2 Sensor 1


Im Having a Issue with these two similar codes, They are the Heated oxygen sensor circuit for bank 1 and 2.

i dont have rear o2's They have been tuned out.. Long story short, I have a new engine, and somehow allong the way my wires got burned on the headers after I installed it..

I repaired the plug to the best of my knowledge it looks fine . The other side is pretty much undamaged yet Im getting the same code over on bank 2.

Does the both bank 1 and bank 2 oxygen sensors have some sort of intergrated heater citcuit that may be the fault?

jirasvet

I could type out a lot of stuff, so i will make it easy,
since you burned the harness check o2 sensor fuse,
than read this
http://www.gearchatter.com/viewtopic10710.php

BIG ATLANTA

I just had the same problem $770 dollars later I found it was the fuse #15 in the fuse panel at the battery 15 amp mini fuse

vettekidc5

yeah I checked it before anyone responded... the Fuse was blown, Replaced it and all appears welll..

jirasvet

BIG ATLANTA

Thanks for the posting the solution!!!

MadDogZ06

Thanks guys!!! You just saved me a huge hassle. Thanks for posting this. My fuse was blow as well. I am overdue for inspection and I have been putting off debugging these codes. Awesome.

MadDog