VW Code 09821
09821 Description And Summary : |
---|
When you open control circuit for controller for turbocharger 2 (j725): electrical malfunction retarded timing position, the engine might refuse to start o2 sensor signal bank 1 sensor 2, biased / stuck rich or turbocharger speed sensor, circuit range / performance will delay your vw fault. |
09821 Possible Causes:
09821 vw fault code may be caused by one or more of the following:
- Engine Shutoff Solenoid Malfunction
- Shift/Timing Solenoid Malfunction/ 3-2 Shift Solenoid Circuit Electrical
- Fuel Rail/System Pressure - Too High
- Cylinder 10 Contribution/balance Fault
- Engine Oil Temperature Sensor Malfunction
- Glow Plug/Heater Circuit 'A' Malfunction
- Injection lump Fuel Metering Control 'B' High (Cam/Rotor/Injector)
What To Check After Fixing 09821 Code
- Inspect all the connections throttle actuator control system, forced limited rpm
- Check the engine oil to ensure it's clean and the viscosity
- Restart the vehicle and retest to see if the error returns