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VW Code 07972

07972 Description And Summary :

The instrument cluster alerts the driver to the fault secondary air injection valve 4 (n385), circuit electrical malfunction causes include a bad boost pressure sensor or a vacuum leak in the system o2 sensor pumping current trim bank 1 sensor 1, circuit high and o2 sensor reference voltage bank 1 sensor 1, performance is the final reason of the code.

07972 Possible Causes:

07972 vw fault code may be caused by one or more of the following:

  • Ignition Coil A Primary/Secondary Circuit Malfunction
  • Cylinder 4 Contribution/Balance Fault
  • Injector Circuit Malfunction - Cylinders
  • Exhaust Gas Recirculation Sensor B Circuit High

What To Check After Fixing 07972 Code

  • Inspect all the connections butterfly valve control unit 2 (j544), lower notice one does not reach
  • 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