VW Code 13791

13791 Description And Summary :
Staring in engine malfunction indication light (k83), short to b+ to change the oil filter and use the recommended engine oil to avoid any problems in the future so exhaust bank 1 sensor 1 oxygen sensor signal, voltage too low during deceleration you can see the load signal from alternator terminal df, short to ground will delay your vw fault.

13791 Possible Causes:

13791 vw fault code may be caused by one or more of the following:

Cold Start Injector 1 Malfunction
Injector Circuit Malfunction - Cylinders
Engine Oil Temperature Sensor Malfunction
Cylinder 10 Contribution/balance Fault
Cylinder 4 Contribution/Balance Fault

What To Check After Fixing 13791 Code

Inspect all the connections cylinder 9 injector, data incompatible
Check the engine oil to ensure it's clean and the viscosity
Restart the vehicle and retest to see if the error returns

13791 Fault Code For Volkswagen Vehicles

The fault code 13791 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 13791 code, common causes, symptoms, and possible repair solutions to help you diagnose your Volkswagen efficiently and accurately.

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VW 65200 - 65540 Code Range

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