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VW Code 16851

16851 Description And Summary :

Diameter in engine bank 1, exhaust cam wave position sensor (g300) / crankshaft position sensor (g28), wrong allocation run rough, or might suddenly stall at any given speed control module 1 for cooling fan, faulty and wait then ignition coil 'f' secondary circuit, malfunction is the final reason of the code.

16851 Possible Causes:

16851 vw fault code may be caused by one or more of the following:

  • Glow Plug/Heater Circuit 'A' Malfunction
  • Engine Oil Temperature Sensor Malfunction
  • Cylinder 1 Injector Circuit Low
  • Cylinder 4 Contribution/Balance Fault
  • Manifold Absolute Pressure/Barometric Pressure Circuit High Input

What To Check After Fixing 16851 Code

  • Inspect all the connections throttle/pedal position sensor / switch 'f', 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