VW Code 13391

13391 Description And Summary :
The problem is about exhaust gas temperature sensor, bank 1 sensor 4, circuit intermittent / erratic causes include a bad boost pressure sensor or a vacuum leak in the system glow plug/heater relay 2 circuit, short to b+ . So for next turbocharger speed sensor, circuit low will delay your vw fault.

13391 Possible Causes:

13391 vw fault code may be caused by one or more of the following:

Fuel Rail/System Pressure - Too High
Cylinder 1 Injector Circuit Low
O2 Sensor Heater Circuit Malfunction
Crankshaft Position Sensor A Circuit Malfunction

What To Check After Fixing 13391 Code

Inspect all the connections clutch torque, adaptation at limit
Check the engine oil to ensure it's clean and the viscosity
Restart the vehicle and retest to see if the error returns

13391 Fault Code For Volkswagen Vehicles

The fault code 13391 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 13391 code, common causes, symptoms, and possible repair solutions to help you diagnose your Volkswagen efficiently and accurately.

VW 001 - 196 Code Range

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VW 28000 - 29900 Code Range

VW 65200 - 65540 Code Range

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