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Discussion Starter · #1 ·
A wiring diagram for the lambda/o2 sensors... i have replaced it and its not showing still so would like to trace all the wire to the ecu.... anyoe have a diagram?

Dan
 

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Could you explain a little more? What do you mean by not showing? Is this car new to you? Is it the post-cat O2 sensor? Are you positive the car isn't running software that ignores the post-cat sensors to mask carbon buildup?
 
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