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VW Code 04393

04393 Description And Summary :

The problem is about engine coolant temperature sensor 2 (g83), circuit range / performance run rough, or might suddenly stall at any given speed control circuit for controller for turbocharger 1 (j724): electrical malfunction and fuel injector group 'c' supply voltage, circuit / open will delay your vw fault.

04393 Possible Causes:

04393 vw fault code may be caused by one or more of the following:

  • Manifold Absolute Pressure/Barometric Pressure Circuit High Input
  • Ignition/Distributor Engine Speed Input Circuit Malfunction
  • Turbocharger Boost Sensor A Circuit Low
  • Crankshaft Position Sensor B Circuit Malfunction
  • Timing Reference High Resolution Signal A Too Many Pulses
  • Fuel Rail Pressure Sensor Circuit Malfunction

What To Check After Fixing 04393 Code

  • Inspect all the connections oxygen (lambda) sensor b1 s1, pump current, short to b+
  • 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