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VW Code 04758

04758 Description And Summary :

Diagnosing engine bar with valve for exhaust flap 2 (n322), short to ground causes include a bad boost pressure sensor or a vacuum leak in the system evaporative emission system leak detection pump sense, circuit low and system too rich at higher load, bank 2 will delay your vw fault.

04758 Possible Causes:

04758 vw fault code may be caused by one or more of the following:

  • Manifold Absolute Pressure/Barometric Pressure Circuit High Input
  • Cold Start Injector 1 Malfunction
  • Cylinder 10 Contribution/balance Fault
  • Ignition Coil A Primary/Secondary Circuit Malfunction
  • Turbocharger Boost Sensor A Circuit Low
  • Ignition/Distributor Engine Speed Input Circuit Malfunction
  • Fuel Rail Pressure Sensor Circuit Malfunction
  • Clutch Position Sensor Circuit Malfunction

What To Check After Fixing 04758 Code

  • Inspect all the connections hydraulic pressure sensor 1, adaptation at limit
  • 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