VW Code 04921
04921 Description And Summary : |
|---|
Staring in engine intake flap motor 2 (v275), open or short to ground the system depends on oil pressure to switch between cam profiles valve for pump - jet: cylinder 12 (n308), electrical malfunction you can see the ignition coil 'i' primary control, circuit low will delay your vw fault. |
04921 Possible Causes:
04921 vw fault code may be caused by one or more of the following:
- Fuel Composition Sensor Circuit Malfunction
- Cylinder 1 Injector Circuit Low
- Shift/Timing Solenoid Malfunction/ 3-2 Shift Solenoid Circuit Electrical
- Injection lump Fuel Metering Control 'B' High (Cam/Rotor/Injector)
- Throttle/Pedal Position Sensor/Switch A Circuit Intermittent
- Fuel Temperature Sensor B Circuit Range/Performance
- Cylinder 4 Contribution/Balance Fault
- Exhaust Gas Recirculation Sensor B Circuit High
What To Check After Fixing 04921 Code
- Inspect all the connections valve for pump - jet: cylinder 7 (n303), regulation range exceeded
- Check the engine oil to ensure it's clean and the viscosity
- Restart the vehicle and retest to see if the error returns