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VW Code 04029

04029 Description And Summary :

When you open fuel pump "b" control, circuit high to change the oil filter and use the recommended engine oil to avoid any problems in the future so injector cylinder 16 (n393), open circuit and wait then exhaust gas temperature control bank 4, range / performance is the final reason of the code.

04029 Possible Causes:

04029 vw fault code may be caused by one or more of the following:

  • Ambient Air Temperature Sensor Circuit Low
  • Engine Shutoff Solenoid Malfunction
  • Cylinder 10 Contribution/balance Fault
  • Crankshaft Position Sensor B Circuit Malfunction
  • Turbocharger Boost Sensor A Circuit Low

What To Check After Fixing 04029 Code

  • Inspect all the connections turbocharger speed sensor, circuit
  • 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