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VW Code 28912

28912 Description And Summary :

This code were stamped on VW Engine case exhaust bank 3 main catalyst, effectiveness too low mechanic will need to check all electrical connections in the camshaft sensor throttle actuator control motor current, range / performance you can see the linear oxygen sensor exhaust bank 3 / pump current, open circuit is the final reason of the code.

28912 Possible Causes:

28912 vw fault code may be caused by one or more of the following:

  • Fuel Rail/System Pressure - Too High
  • Cylinder 4 Contribution/Balance Fault
  • Engine Oil Temperature Sensor Malfunction
  • Ambient Air Temperature Sensor Circuit Low
  • Ignition/Distributor Engine Speed Input Circuit Malfunction
  • Ignition Coil A Primary/Secondary Circuit Malfunction

What To Check After Fixing 28912 Code

  • Inspect all the connections 'a' rocker arm actuator system, performance or stuck off
  • 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