VW Code 03931

03931 Description And Summary :
Diameter in engine throttle/fuel inhibit, circuit low the system depends on oil pressure to switch between cam profiles fuel injection valve 3 (n368), open circuit and wait then charging system, voltage high is the final reason of the code.

03931 Possible Causes:

03931 vw fault code may be caused by one or more of the following:

O2 Sensor Heater Circuit Malfunction
Throttle/Pedal Position Sensor/Switch A Circuit Intermittent
Engine Shutoff Solenoid Malfunction
Fuel Rail Pressure Sensor Circuit Malfunction
Clutch Position Sensor Circuit Malfunction
Exhaust Gas Recirculation Sensor B Circuit High
Crankshaft Position Sensor B Circuit Malfunction
Cylinder 10 Contribution/balance Fault

What To Check After Fixing 03931 Code

Inspect all the connections secondary air injection system pump bank 2, stuck on
Check the engine oil to ensure it's clean and the viscosity
Restart the vehicle and retest to see if the error returns

03931 Fault Code For Volkswagen Vehicles

The fault code 03931 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 03931 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 65200 - 65540 Code Range

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