DTC 16558

SAE VAG Description
P0174 16558 System Too Lean (Bank 2)

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

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

- Check Fuel Pump (FP) -G6-. Fuel Pump, Checking

- Check exhaust system for proper seal, Parts of the exhaust system, removing and installing.

- Check secondary air system for proper seal. Secondary Air Injection (AIR) System, Checking For Proper Seal

- Check vacuum lines for proper seal.