DTC 16558

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

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

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

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

- Check exhaust system for proper seal, removing and installing exhaust system components.

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

- Check vacuum lines for leaks.