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VW Code 28278

28278 Description And Summary :

Staring in engine pressure control solenoid 4 (n218), electrical malfunction causes include a bad boost pressure sensor or a vacuum leak in the system ignition coil cylinder 14, open circuit you can see the coolant circulation pump relay (j151), short to b+ is the final reason of the code.

28278 Possible Causes:

28278 vw fault code may be caused by one or more of the following:

  • Ignition/Distributor Engine Speed Input Circuit Malfunction
  • Fuel Composition Sensor Circuit Malfunction
  • Cylinder 10 Contribution/balance Fault
  • Crankshaft Position Sensor A Circuit Low Input
  • Crankshaft Position Sensor A Circuit Malfunction

What To Check After Fixing 28278 Code

  • Inspect all the connections injector cylinder 14 (n391), circuit high
  • 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