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o2 sensor

  1. Kia Cerato, Shuma & Spectra Forum
    Hello everyone! The models are hard to follow, so forgive me if this is in the wrong forum. In any case, I have an O2 Sensor concern. Here's the code and description: P2251 O2 Sensor Negative Current Control Circuit/Open Bank 1 Sensor 1 This is coupled with some strange (maybe? I suppose...