P2270 ACURA Rear Secondary HO2S Bank 1 Sensor 2 Circuit Signal Stuck Lean

Possible causes

– Faulty Rear Secondary HO2S Bank 1 Sensor 2
– Rear Secondary HO2S Bank 1 Sensor 2 harness is open or shorted
– Rear Secondary HO2S Bank 1 Sensor 2 circuit poor electrical connection

Symptoms

– Engine Light ON (or Service Engine Soon Warning Light)