V-Lexus Posted May 27, 2020 Share Posted May 27, 2020 I have a 2000 ES350 with check engine codes P1130 and P1135. I just looked up the part from Napa and it shows part number, Denso DEN 2349021. It looks like this same sensor is used in two different areas, Upstream Rear;Bank 1 Sensor 1; Upstream Front;Bank 2 Sensor 1. I replaced this same part last year for the Upstream Front; Bank 2, Sensor 1 and was hoping somebody can confirm that this same part is used in both locations. Thank you very much! Quote Link to comment Share on other sites More sharing options...
pauloil Posted May 31, 2020 Share Posted May 31, 2020 they may be the same sensor, but they have different wiring and different part numbers. look them up at rock auto parts. IF you replaced one sensor last year, replace the other now. Quote Link to comment Share on other sites More sharing options...
V-Lexus Posted May 31, 2020 Author Share Posted May 31, 2020 thank you. Quote Link to comment Share on other sites More sharing options...
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