P1112

SAE VAG Description
P1112 17520 O2 Control (Bank 1) System too rich

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

- Fuel injectors checking. Fuel Injectors, Checking

- Fuel pressure regulator and residual pressure checking. Fuel Pressure Regulator and Residual Pressure, Checking

- Fuel pump checking. Fuel Pump, Checking

- Intake system checking for leaks (unmetered air). Intake System, Checking For Leaks (Unmetered Air)

Note: Check vacuum lines for proper seal

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

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