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Discussion Starter #1
Just pulled this code, P0141 - O2 sensor bank1 sensor2, from my IS300. Can anyone explain the correct location of this sensor? If I can determine the right one I'll fix it myself cause the damn dealer wants $423 to fix...I dont think so!!!
 

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Look at the header and see the first set of runners, that's bank 1. Continue looking and you will see one O2 senosr (sensor 1) and continue along the runner until you see the second O2 sensor (sensor 2)
 

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Discussion Starter #3
thanks...guess i'll give it a go.
 
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