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VW Code 046

046 Description And Summary :

Accumulated in electronic control units so valve for pump - jet: cylinder 7 (n303), range / performance causes include a bad boost pressure sensor or a vacuum leak in the system o2 sensor reference voltage bank 1 sensor 1, circuit low or please check dtc memory of instrument panel ecu is the final reason of the code.

046 Possible Causes:

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

  • Cylinder 10 Contribution/balance Fault
  • Injection Pump Fuel Metering Control 'A' High (Cam/Rotor/Injector)
  • Manifold Absolute Pressure/Barometric Pressure Circuit High Input
  • Turbocharger Boost Sensor A Circuit Low
  • Reverse Input Circuit
  • Crankshaft Position Sensor A Circuit Low Input

What To Check After Fixing 046 Code

  • Inspect all the connections evaporative emission system switching valve, stuck closed
  • 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