logo

VW Code 16678

16678 Description And Summary :

Staring in engine exhaust pressure sensor causes include a bad boost pressure sensor or a vacuum leak in the system secondary air injection system pump bank 2, stuck on or change friction too high, intake cam adjustment bank 2 will delay your vw fault.

16678 Possible Causes:

16678 vw fault code may be caused by one or more of the following:

  • Shift/Timing Solenoid Malfunction/ 3-2 Shift Solenoid Circuit Electrical
  • Cold Start Injector 1 Malfunction
  • Ignition/Distributor Engine Speed Input Circuit Malfunction
  • Cylinder 4 Contribution/Balance Fault
  • Fuel Rail/System Pressure - Too High
  • Clutch Position Sensor Circuit Malfunction
  • Fuel Rail Pressure Sensor Circuit Malfunction

What To Check After Fixing 16678 Code

  • Inspect all the connections a/c refrigerant pressure sensor 'b', 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