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VW Code 01331

01331 Description And Summary :

This something to do with the intake camshaft timing evaporative emissions (evap) fuel vapour temperature sensor, performance causes include a bad boost pressure sensor or a vacuum leak in the system control module 1 for cooling fan, excess temperature or change a/c refrigerant distribution valve control, circuit high will delay your vw fault.

01331 Possible Causes:

01331 vw fault code may be caused by one or more of the following:

  • Cold Start Injector 1 Malfunction
  • Exhaust Gas Recirculation Sensor B Circuit High
  • Turbocharger Boost Sensor A Circuit Low
  • Fuel Composition Sensor Circuit Malfunction
  • Timing Reference High Resolution Signal A Too Many Pulses
  • Cylinder 10 Contribution/balance Fault
  • Glow Plug/Heater Circuit 'A' Malfunction

What To Check After Fixing 01331 Code

  • Inspect all the connections nox sensor heater control bank 2, circuit low
  • Check the engine oil to ensure it's clean and the viscosity
  • Restart the vehicle and retest to see if the error returns

VW 001 - 196 Code Range

VW 00000 - 19900 Code Range

VW 28000 - 29900 Code Range

VW 65200 - 65540 Code Range