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Home >> Hyundai >> 2021 >> Elantra N Line, Standard Trans >> Repair and Diagnosis >> External Pages >> Different variant/trim >> Section 36 (Engine Control System Diagnosis - 2.0L (Except HEV) (5 Of 6)) >> DTC P2191-00: System Too Lean At Higher Load (Multiple) (Bank 1) >> DTC Information And Inspection >> DTC Description

DTC Description

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If the lambda controller reaches the maximum or minimum threshold, then feedback control is no longer possible and emissions will be increased. The PCM sets DTC P219100 if no proportional post catalyst fuel trim adaptation occurs for a defined time after the lambda controller has reached its maximum threshold at part load.

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