VW Code 16921
16921 Description And Summary : |
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Accumulated in electronic control units so valve for exhaust flap 1 (n321), open circuit run rough, or might suddenly stall at any given speed ignition coil cylinder 16, open circuit or 'a rocker arm actuator control, circuit / open is the final reason of the code. |
16921 Possible Causes:
16921 vw fault code may be caused by one or more of the following:
- Fuel Composition Sensor Circuit Malfunction
- Turbocharger Boost Sensor A Circuit Low
- Fuel Temperature Sensor B Circuit Range/Performance
- Fuel Rail/System Pressure - Too High
- Shift Solenoid E Performance or Stuck Off
- Engine Shutoff Solenoid Malfunction
What To Check After Fixing 16921 Code
- Inspect all the connections cylinder 10 injector, data incompatible
- Check the engine oil to ensure it's clean and the viscosity
- Restart the vehicle and retest to see if the error returns