DTC 16559

SAE VAG Description
P0175 16559 System Too Rich (Bank 2)

- Check fuel pressure regulator and residual pressure. With Generic Scan Tool

- Check Fuel injectors (Cylinder 1 Fuel Injector -N30- to Cylinder 4 Fuel Injector -N33-, Cylinder 5 Fuel Injector -N83-, Cylinder 6 Fuel Injector -N84-). Fuel Injectors, Checking

- Check Oxygen Sensor (OS2) and oxygen sensor control before Three Way Catalytic Converter (TWC). Oxygen Sensor Heater For Oxygen Sensors Before Catalytic Converter, Checking

- Check Oxygen Sensor (OS2) and oxygen sensor control behind Three Way Catalytic Converter (TWC). Oxygen Sensor Heater For Oxygen Sensors Behind Three Way Catalytic Converter (TWC), Checking

- Check Evaporative Emission (EVAP) canister purge regulator valve -N80-. EVAP Canister Purge Regulator Valve Checking