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VW Code 18146

18146 Description And Summary :

Diagnosing engine bar with o2 sensor signal bank 1 sensor 3, biased / stuck lean run rough, or might suddenly stall at any given speed exhaust bank 3, probe 2 internal resistance too largely or change oxygen sensor b1 s1: heating circuit regulation at upper limit, lower limit exceeded is the final reason of the code.

18146 Possible Causes:

18146 vw fault code may be caused by one or more of the following:

  • Fuel Composition Sensor Circuit Malfunction
  • Fuel Temperature Sensor B Circuit Range/Performance
  • Crankshaft Position Sensor A Circuit Low Input
  • Fuel Rail/System Pressure - Too High
  • Cylinder 1 Injector Circuit Low
  • Cylinder 4 Contribution/Balance Fault
  • Ambient Air Temperature Sensor Circuit Low

What To Check After Fixing 18146 Code

  • Inspect all the connections o2 sensor exhaust sample error bank 2 sensor 1
  • 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