2008 Hyundai Elantra GLS/SE 1.8L with engine code P2195

Question

I have 2008 Hyundai Elantra with error codes P2195, P0170, P0171. Should I replace O2 sensor? How hard is it to replace O2 sensor? Is it so critical to the engine that it needs to be done immediately or can it be driven for a few days until I have time to get to it?

Answer 1

P2195 HYUNDAI - HO2S Signal Stuck Lean Bank 1 Sensor 1
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