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VW Code 18940

18940 Description And Summary :

The problem is about exhaust bank 3, probe 2 tension too small the system depends on oil pressure to switch between cam profiles data-bus powertrain, implausible message from engine controller . On the other hand air cleaner inlet control, circuit / open is the final reason of the code.

18940 Possible Causes:

18940 vw fault code may be caused by one or more of the following:

  • Fuel Temperature Sensor B Circuit Range/Performance
  • Crankshaft Position Sensor A Circuit Low Input
  • Injection Pump Fuel Metering Control 'A' High (Cam/Rotor/Injector)
  • Throttle/Pedal Position Sensor/Switch A Circuit Intermittent
  • Injector Circuit Malfunction - Cylinders
  • Engine Oil Temperature Sensor Malfunction

What To Check After Fixing 18940 Code

  • Inspect all the connections exhaust bank 3 oxygen sensor correction behind catalyst, rich control limit exceeded
  • 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