![Does anyone know how to tell if this is a down stream or up stream o2 sensor? I have a 2013 Jeep Patriot and got an error Cade p0420. Any help is Does anyone know how to tell if this is a down stream or up stream o2 sensor? I have a 2013 Jeep Patriot and got an error Cade p0420. Any help is](https://i.redd.it/pojs334lg3f81.jpg)
Does anyone know how to tell if this is a down stream or up stream o2 sensor? I have a 2013 Jeep Patriot and got an error Cade p0420. Any help is
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O2 sensor adapter spacer with built-in catalytic converter M18x1.5 eliminate downpipe CEL P0420, Car Accessories, Accessories on Carousell
![DTC 2886 P0420 - Catalyst System Efficiency - Catalyst System; Bank 1 help - Page 13 - AudiWorld Forums DTC 2886 P0420 - Catalyst System Efficiency - Catalyst System; Bank 1 help - Page 13 - AudiWorld Forums](https://cimg4.ibsrv.net/gimg/www.audiworld.com-vbulletin/750x1119/ccdfa156_b0b6_483e_981d_72ea6faf71c0_c6c7e3364209fc500e8fbffe959437f9e90e4d8a.jpeg)
DTC 2886 P0420 - Catalyst System Efficiency - Catalyst System; Bank 1 help - Page 13 - AudiWorld Forums
![Прощай p0420, обманка второго лямбда зонда — Audi A4 (B6), 1,8 л, 2005 года | своими руками | DRIVE2 Прощай p0420, обманка второго лямбда зонда — Audi A4 (B6), 1,8 л, 2005 года | своими руками | DRIVE2](https://a.d-cd.net/vhjtYtT4AwL-0Nv1lfYRuyy_bM4-960.jpg)
Прощай p0420, обманка второго лямбда зонда — Audi A4 (B6), 1,8 л, 2005 года | своими руками | DRIVE2
![Прощай p0420, обманка второго лямбда зонда — Audi A4 (B6), 1,8 л, 2005 года | своими руками | DRIVE2 Прощай p0420, обманка второго лямбда зонда — Audi A4 (B6), 1,8 л, 2005 года | своими руками | DRIVE2](https://a.d-cd.net/J2IBYlNKjCv-6wXR40TCPjQdMzI-960.jpg)