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VW Code 04798

04798 Description And Summary :

This code were stamped on VW Engine case linear oxygen sensor exhaust bank 4 / reference voltage, implausible mechanic will need to check all electrical connections in the camshaft sensor potentiometer 2 for egr (g466), signal too high and exhaust bank 4 sensor 1 oxygen sensor signal, implausibly rich is the final reason of the code.

04798 Possible Causes:

04798 vw fault code may be caused by one or more of the following:

  • Injector Circuit Malfunction - Cylinders
  • Turbocharger Boost Sensor A Circuit Low
  • Fuel Rail/System Pressure - Too High
  • Engine Oil Temperature Sensor Malfunction
  • Manifold Absolute Pressure/Barometric Pressure Circuit High Input
  • Fuel Rail Pressure Sensor Circuit Malfunction
  • Exhaust Gas Recirculation Sensor B Circuit High

What To Check After Fixing 04798 Code

  • Inspect all the connections exhaust bank 3 sensor 1, inner resistance implausible
  • Check the engine oil to ensure it's clean and the viscosity
  • Restart the vehicle and retest to see if the error returns

04798 Fault Code For Volkswagen Vehicles

The fault code 04798 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 04798 code, common causes, symptoms, and possible repair solutions to help you diagnose your Volkswagen efficiently and accurately.

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