KIA Forte 2010 2.0 Engine Codes

scj6771scj6771 Member Posts: 3
edited January 2017 in Kia
My 2010 2.0 Forte has done me well for the last 4 years, very little maintenance and very reliable, I have 160.000 on her and no complaints, My engine light came on awhile back and received these codes, I feel like some of them are related, which one do I tackle first? Thanks all.

P2097- Exhaust Gas Temperature Sensor Circuit Intermittent Bank 2 Sensor 2
P2271 - O2 Sensor Signal Stuck Rich Bank 1 Sensor 2
P0138 - HO2S12 Circuit High Voltage
P2096 - Post Catalyst Fuel Trim System Too Lean
P2270 - O2 Sensor Signal Stuck Lean Bank 1 Sensor 2
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