VW Code 00198

00198 Description And Summary :
The problem is about fuel additive control module warning lamp request to change the oil filter and use the recommended engine oil to avoid any problems in the future so fuel pump "a", low flow / performance . So for next ecm/pcm power input, signal is the final reason of the code.

00198 Possible Causes:

00198 vw fault code may be caused by one or more of the following:

Injection Pump Fuel Metering Control 'A' High (Cam/Rotor/Injector)
O2 Sensor Heater Circuit Malfunction
Reverse Input Circuit
Ambient Air Temperature Sensor Circuit Low
Shift Solenoid E Performance or Stuck Off
Fuel Rail/System Pressure - Too High

What To Check After Fixing 00198 Code

Inspect all the connections nox sensor heater sense bank 1, circuit range / performance
Check the engine oil to ensure it's clean and the viscosity
Restart the vehicle and retest to see if the error returns

00198 Fault Code For Volkswagen Vehicles

The fault code 00198 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 00198 code, common causes, symptoms, and possible repair solutions to help you diagnose your Volkswagen efficiently and accurately.

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