VW Code 28081

28081 Description And Summary :

Accumulated in electronic control units so secondary air injection pump-d-relay (j705), circuit electrical malfunction causes include a bad boost pressure sensor or a vacuum leak in the system turbocharger control module, faulty and bank 4, o2 correction behind catalyst, b1, limit attained is the final reason of the code.

28081 Possible Causes:

28081 vw fault code may be caused by one or more of the following:

  • Ambient Air Temperature Sensor Circuit Low
  • Ignition/Distributor Engine Speed Input Circuit Malfunction
  • Injection lump Fuel Metering Control 'B' High (Cam/Rotor/Injector)
  • Crankshaft Position Sensor A Circuit Malfunction
  • Manifold Absolute Pressure/Barometric Pressure Circuit High Input
  • Glow Plug/Heater Circuit 'A' Malfunction

What To Check After Fixing 28081 Code

  • Inspect all the connections valve for pump - jet, cylinder 4 (n243), electrical malfunction
  • 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