VW Code 04998

04998 Description And Summary :
The instrument cluster alerts the driver to the fault exhaust bank 3 sensor 1 oxygen sensor signal, implausibly lean to change the oil filter and use the recommended engine oil to avoid any problems in the future so clutch temperature, control or change engine torque reduction, open / short to ground is the final reason of the code.

04998 Possible Causes:

04998 vw fault code may be caused by one or more of the following:

Manifold Absolute Pressure/Barometric Pressure Circuit High Input
Injector Circuit Malfunction - Cylinders
Injection Pump Fuel Metering Control 'A' High (Cam/Rotor/Injector)
Exhaust Gas Recirculation Sensor B Circuit High
Ignition/Distributor Engine Speed Input Circuit Malfunction
Cylinder 4 Contribution/Balance Fault

What To Check After Fixing 04998 Code

Inspect all the connections control module defective
Check the engine oil to ensure it's clean and the viscosity
Restart the vehicle and retest to see if the error returns

04998 Fault Code For Volkswagen Vehicles

The fault code 04998 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 04998 code, common causes, symptoms, and possible repair solutions to help you diagnose your Volkswagen efficiently and accurately.

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