VW Code 03398

03398 Description And Summary :
Diagnosing engine bar with water in fuel condition It could be due to limited air getting through your air intake reductant injection valve bank 2 unit 2, circuit / open or shift up/down wire, short to b+ is the final reason of the code.

03398 Possible Causes:

03398 vw fault code may be caused by one or more of the following:

Manifold Absolute Pressure/Barometric Pressure Circuit High Input
Cylinder 10 Contribution/balance Fault
Ambient Air Temperature Sensor Circuit Low
Ignition Coil A Primary/Secondary Circuit Malfunction
Injection lump Fuel Metering Control 'B' High (Cam/Rotor/Injector)

What To Check After Fixing 03398 Code

Inspect all the connections intake air temperature sensor 1/2 correlation
Check the engine oil to ensure it's clean and the viscosity
Restart the vehicle and retest to see if the error returns

03398 Fault Code For Volkswagen Vehicles

The fault code 03398 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 03398 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