VW Code 04489

04489 Description And Summary :
Diagnosing engine bar with throttle actuator control system, stuck closed it can suddenly lead to a significantly more reductant injection valve bank 1 unit 1, circuit / open you can see the fuel injection valve 3 (n368), open circuit is the final reason of the code.

04489 Possible Causes:

04489 vw fault code may be caused by one or more of the following:

Crankshaft Position Sensor A Circuit Low Input
Cylinder 4 Contribution/Balance Fault
Injection Pump Fuel Metering Control 'A' High (Cam/Rotor/Injector)
Fuel Temperature Sensor B Circuit Range/Performance

What To Check After Fixing 04489 Code

Inspect all the connections linear oxygen sensor exhaust bank 3 / reference voltage, implausible
Check the engine oil to ensure it's clean and the viscosity
Restart the vehicle and retest to see if the error returns

04489 Fault Code For Volkswagen Vehicles

The fault code 04489 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 04489 code, common causes, symptoms, and possible repair solutions to help you diagnose your Volkswagen efficiently and accurately.

VW 001 - 196 Code Range

Page 1

VW 00000 - 19900 Code Range

VW 28000 - 29900 Code Range

VW 65200 - 65540 Code Range

Page 24