2004 Hyundai Elantra with engine code P2626, is this sensor upstream or downstream?

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Carguy1 · Answer 1 · 2018-05-25T21:28:36+0000

Hi there,

This code is for the front O2 sensor or upstream. The one BEFORE the catalytic converter.

OBDIITech · Answer 2 · 2021-04-20T01:50:24+0000

P2626 HYUNDAI - HO2S Pumping Current Trim Circuit/Open Bank 1 Sensor 1

Read more: https://www.autocodes.com/p2626_hyundai.html