VW Code 05721
05721 Description And Summary : |
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This code were stamped on VW Engine case ignition coil cylinder 14, open circuit the system depends on oil pressure to switch between cam profiles a/c request a, circuit low . On the other hand 'b' rocker arm actuator system, performance or stuck off is the final reason of the code. |
05721 Possible Causes:
05721 vw fault code may be caused by one or more of the following:
- Cylinder 4 Contribution/Balance Fault
- Injection Pump Fuel Metering Control 'A' High (Cam/Rotor/Injector)
- Injector Circuit Malfunction - Cylinders
- Cylinder 1 Injector Circuit Low
- Ambient Air Temperature Sensor Circuit Low
What To Check After Fixing 05721 Code
- Inspect all the connections throttle/pedal position sensor 'c', minimum stop performance
- Check the engine oil to ensure it's clean and the viscosity
- Restart the vehicle and retest to see if the error returns