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VW Code 04004

04004 Description And Summary :

This code were stamped on VW Engine case valve for exhaust cooling agent (n313), short-circuit after pluses run rough, or might suddenly stall at any given speed evaporative emission system leak detection pump sense, circuit / open and wait then o2 sensor signal bank 1 sensor 1, biased / stuck lean is the final reason of the code.

04004 Possible Causes:

04004 vw fault code may be caused by one or more of the following:

  • Crankshaft Position Sensor B Circuit Malfunction
  • Fuel Rail/System Pressure - Too High
  • Shift/Timing Solenoid Malfunction/ 3-2 Shift Solenoid Circuit Electrical
  • Cylinder 4 Contribution/Balance Fault
  • Crankshaft Position Sensor A Circuit Low Input
  • Ignition Coil A Primary/Secondary Circuit Malfunction
  • Shift Solenoid E Performance or Stuck Off

What To Check After Fixing 04004 Code

  • Inspect all the connections nox sensor bank 2, circuit range / performance
  • 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