HYUNDAI I10 TROUBLE CODE

Hi, My Car Has Very Low Pickup, Hesitates While Overtaking Or Going Uphill. It Also Vibrates On Idle. On Obd2 Scanner It Shows P2191...

Vehicle Jerking And Missing Chec Klight Always On. I Have Already Changed Ecu, Spark Plug, And Leed And Catalytic Converter's O2...