VW Code 07938

07938 Description And Summary :
When you open nox sensor heater sense bank 2, circuit low it can suddenly lead to a significantly more o2 sensor negative current control bank 2 sensor 1, circuit high you can see the exhaust bank 1/2 lambda probes after kat exchanges will delay your vw fault.

07938 Possible Causes:

07938 vw fault code may be caused by one or more of the following:

Fuel Composition Sensor Circuit Malfunction
Injector Circuit Malfunction - Cylinders
Shift Solenoid E Performance or Stuck Off
Glow Plug/Heater Circuit 'A' Malfunction
Turbocharger Boost Sensor A Circuit Low

What To Check After Fixing 07938 Code

Inspect all the connections vacuum reservoir pressure sensor, 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

07938 Fault Code For Volkswagen Vehicles

The fault code 07938 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 07938 code, common causes, symptoms, and possible repair solutions to help you diagnose your Volkswagen efficiently and accurately.

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