P1167 HYUNDAI O2 Sensor System Lambda Controller at the Limit Bank 2

Possible causes
– Air leakage or restriction in intake or exhaust system
– Dirty engine oil or oil level too high
– Front HO2S or MAFS contamination
– Fuel system
– EVAP system
– Faulty sensor signals
Symptoms
– Engine Light ON (or Service Engine Soon Warning Light)
P1167 HYUNDAI Description
The Lambda closed-loop control system is included in the engine