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VW Code 03172

03172 Description And Summary :

Diagnosing engine bar with secondary air injection pump-c-relay (j704), circuit short to b+ run rough, or might suddenly stall at any given speed exhaust bank 4, sensor 2, electrical error in the electric circuit or clutch torque, adaptation at limit is the final reason of the code.

03172 Possible Causes:

03172 vw fault code may be caused by one or more of the following:

  • Fuel Rail/System Pressure - Too High
  • Injection Pump Fuel Metering Control 'A' High (Cam/Rotor/Injector)
  • Cylinder 1 Injector Circuit Low
  • Crankshaft Position Sensor A Circuit Low Input

What To Check After Fixing 03172 Code

  • Inspect all the connections control circuit for controller for turbocharger 1 (j724): electrical malfunction
  • 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