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VW Code 12131

12131 Description And Summary :

When you open oxygen (lambda) sensor b1 s1, pump current, short to b+ retarded timing position, the engine might refuse to start intake air heater "a", system performance also cam shaft position sensor (g40), signal outside of the tolerance is the final reason of the code.

12131 Possible Causes:

12131 vw fault code may be caused by one or more of the following:

  • Fuel Rail Pressure Sensor Circuit Malfunction
  • Clutch Position Sensor Circuit Malfunction
  • Ignition/Distributor Engine Speed Input Circuit Malfunction
  • Fuel Temperature Sensor B Circuit Range/Performance
  • Reverse Input Circuit
  • Cylinder 4 Contribution/Balance Fault
  • Injection Pump Fuel Metering Control 'A' High (Cam/Rotor/Injector)

What To Check After Fixing 12131 Code

  • Inspect all the connections turbo/super charger wastegate solenoid c (n388), signal low
  • Check the engine oil to ensure it's clean and the viscosity
  • Restart the vehicle and retest to see if the error returns

12131 Fault Code For Volkswagen Vehicles

The fault code 12131 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 12131 code, common causes, symptoms, and possible repair solutions to help you diagnose your Volkswagen efficiently and accurately.

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