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VW Code 12081

12081 Description And Summary :

Diameter in engine exhaust bank 4, sensor 1, electrical error in the electric circuit It could be due to limited air getting through your air intake exhaust bank 4, sensor 1, heater circuit achievement too small and wait then linear oxygen sensor exhaust bank 4 / common ground wire, short to b+ will delay your vw fault.

12081 Possible Causes:

12081 vw fault code may be caused by one or more of the following:

  • Ignition/Distributor Engine Speed Input Circuit Malfunction
  • Timing Reference High Resolution Signal A Too Many Pulses
  • Injection Pump Fuel Metering Control 'A' High (Cam/Rotor/Injector)
  • Cold Start Injector 1 Malfunction
  • Ignition Coil A Primary/Secondary Circuit Malfunction
  • Manifold Absolute Pressure/Barometric Pressure Circuit High Input
  • Exhaust Gas Recirculation Sensor B Circuit High

What To Check After Fixing 12081 Code

  • Inspect all the connections intake air heater "a", circuit high
  • 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