P0431

SAE VAG Description
P0431 16815 Warm Up Catalyst System Efficiency Below Threshold Bank 2

G108 - Heated Oxygen Sensor (HO2S) 2

- Oxygen Sensor (O2S) aging, bank 2, sensor 1, checking. Oxygen Sensor Aging Check

- Oxygen Sensor (O2S) and oxygen sensor control before Three Way Catalytic Converter (TWC) checking. Oxygen Sensor and O2S Control Before Catalyst, Checking

G130 - Oxygen Sensor (O2S) Behind Three Way Catalytic Converter (TWC)

- Oxygen Sensor (O2S) and Oxygen Sensor (O2S) control behind TWC checking. Oxygen Sensor and O2S Control Behind Catalyst, Checking

G131 - Oxygen Sensor (O2S) 2 Behind Three Way Catalytic Converter (TWC)

- Oxygen Sensor (O2S) and oxygen sensor control behind TWC checking. Oxygen Sensor and O2S Control Behind Catalyst, Checking

G39 - Heated Oxygen Sensor (HO2S)

- Oxygen Sensor (O2S) aging bank 1 sensor 1 checking. Oxygen Sensor Aging Check
- Oxygen Sensor (O2S) and oxygen sensor control before Three Way Catalytic Converter (TWC) checking. Oxygen Sensor and O2S Control Before Catalyst, Checking

Three Way Catalytic Converter (TWC)

- Three Way Catalytic Converter (TWC), checking. Three Way Catalytic Converter (TWC), Checking