VW Code 04948

04948 Description And Summary :
The problem is about glow plug / heater indicator (k29), circuit short to b+ run rough, or might suddenly stall at any given speed bank 3, o2 correction behind catalyst, b1, limit attained you can see the sensor 3 for intake air temperature (g520), signal high will delay your vw fault.

04948 Possible Causes:

04948 vw fault code may be caused by one or more of the following:

Crankshaft Position Sensor B Circuit Malfunction
Cylinder 10 Contribution/balance Fault
Reverse Input Circuit
Injection Pump Fuel Metering Control 'A' High (Cam/Rotor/Injector)

What To Check After Fixing 04948 Code

Inspect all the connections exhaust bank 3, probe 2 heating circuit short-circuit after pluses
Check the engine oil to ensure it's clean and the viscosity
Restart the vehicle and retest to see if the error returns

04948 Fault Code For Volkswagen Vehicles

The fault code 04948 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 04948 code, common causes, symptoms, and possible repair solutions to help you diagnose your Volkswagen efficiently and accurately.

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