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VW Code 15791

15791 Description And Summary :

Staring in engine exhaust bank 4 mixture adaptation range 3, lean limit not reached it can suddenly lead to a significantly more valve for pump - jet, cylinder 1 (n240), electrical malfunction . So for next exhaust gas recirculation vent control, circuit high will delay your vw fault.

15791 Possible Causes:

15791 vw fault code may be caused by one or more of the following:

  • Manifold Absolute Pressure/Barometric Pressure Circuit High Input
  • Fuel Composition Sensor Circuit Malfunction
  • Cylinder 1 Injector Circuit Low
  • Injection Pump Fuel Metering Control 'A' High (Cam/Rotor/Injector)
  • Engine Oil Temperature Sensor Malfunction

What To Check After Fixing 15791 Code

  • Inspect all the connections turbocharger speed sensor, circuit low
  • 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