logo

VW Code 28790

28790 Description And Summary :

Diameter in engine exhaust aftertreatment fuel injector 'a', circuit low it can suddenly lead to a significantly more diesel particulate filter pressure sensor 'a', circuit intermittent / erratic . So for next b camshaft position actuator control bank 2, circuit high is the final reason of the code.

28790 Possible Causes:

28790 vw fault code may be caused by one or more of the following:

  • Ignition/Distributor Engine Speed Input Circuit Malfunction
  • Fuel Temperature Sensor B Circuit Range/Performance
  • Manifold Absolute Pressure/Barometric Pressure Circuit High Input
  • Cold Start Injector 1 Malfunction
  • Ambient Air Temperature Sensor Circuit Low
  • Injector Circuit Malfunction - Cylinders
  • Cylinder 1 Injector Circuit Low

What To Check After Fixing 28790 Code

  • Inspect all the connections data bus powertrain, missing messages
  • 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