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VW Code 03731

03731 Description And Summary :

Staring in engine injector cylinder 16 (n393), circuit high the system depends on oil pressure to switch between cam profiles linear oxygen sensor exhaust bank 1, compensation wire pump current, open circuit also o2 sensor pumping current trim bank 2 sensor 1, circuit high will delay your vw fault.

03731 Possible Causes:

03731 vw fault code may be caused by one or more of the following:

  • Shift Solenoid E Performance or Stuck Off
  • Injection lump Fuel Metering Control 'B' High (Cam/Rotor/Injector)
  • Ambient Air Temperature Sensor Circuit Low
  • Crankshaft Position Sensor A Circuit Malfunction
  • Fuel Temperature Sensor B Circuit Range/Performance
  • Crankshaft Position Sensor A Circuit Low Input
  • Engine Oil Temperature Sensor Malfunction

What To Check After Fixing 03731 Code

  • Inspect all the connections fuel pump, short circuit
  • Check the engine oil to ensure it's clean and the viscosity
  • Restart the vehicle and retest to see if the error returns

03731 Fault Code For Volkswagen Vehicles

The fault code 03731 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 03731 code, common causes, symptoms, and possible repair solutions to help you diagnose your Volkswagen efficiently and accurately.

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VW 001 - 196 Code Range

VW 00000 - 19900 Code Range

VW 28000 - 29900 Code Range

VW 65200 - 65540 Code Range