VW Code 11904

11904 Description And Summary :
When you open exhaust bank 1 sensor 1 o2 sensor signal, implausibly rich the system depends on oil pressure to switch between cam profiles pre-catalyst exhaust bank 4 effect too small . On the other hand exhaust bank 3 oxygen sensor before catalyst, heater circuit, regulation at lower limit is the final reason of the code.

11904 Possible Causes:

11904 vw fault code may be caused by one or more of the following:

Injection Pump Fuel Metering Control 'A' High (Cam/Rotor/Injector)
Ambient Air Temperature Sensor Circuit Low
Shift Solenoid E Performance or Stuck Off
Cylinder 10 Contribution/balance Fault
O2 Sensor Heater Circuit Malfunction

What To Check After Fixing 11904 Code

Inspect all the connections exhaust gas temperature sensor, bank 1 sensor 4, circuit high
Check the engine oil to ensure it's clean and the viscosity
Restart the vehicle and retest to see if the error returns

11904 Fault Code For Volkswagen Vehicles

The fault code 11904 is associated with Volkswagen (VW) vehicles and indicates a specific issue detected by the onboard diagnostics (OBD) system. Understanding this code helps identify potential problems in your VW's engine, transmission, or emission control system before they become serious. This page provides a detailed explanation of the 11904 code, common causes, symptoms, and possible repair solutions to help you diagnose your Volkswagen efficiently and accurately.

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