DTC 17519

SAE VAG Description
P1111 17519 O2 Control (Bank 1) System too lean

Fuel injectors
- Fuel injectors, checking. Fuel Injectors, Checking

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

Fuel Pump (FP)
- Fuel pump, checking. Fuel Pump (FP), Checking

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

Note:
- Check vacuum lines for leaks.