Subaru145 Posted March 6, 2018 Report Share Posted March 6, 2018 Hi. Could you help me identifying correct o2 sensor. I've got PO138 foult code on my diagnostic tool saying "o2 sensor circuit high voltage bank 1 sensor 2" . Is that the one on the picture? Will replacing that lambda sensor solve the problem. Thanks for your help. Quote Link to comment Share on other sites More sharing options...
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