VW Code 10721
10721 Description And Summary : |
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Diagnosing engine bar with fuel shutoff valve "b" control, circuit / open causes include a bad boost pressure sensor or a vacuum leak in the system 'a rocker arm actuator control, circuit / open and throttle/pedal position sensor 'b', maximum stop performance will delay your vw fault. |
10721 Possible Causes:
10721 vw fault code may be caused by one or more of the following:
- Reverse Input Circuit
- Cylinder 1 Injector Circuit Low
- Throttle/Pedal Position Sensor/Switch A Circuit Intermittent
- Crankshaft Position Sensor A Circuit Low Input
- Exhaust Gas Recirculation Sensor B Circuit High
- Ambient Air Temperature Sensor Circuit Low
What To Check After Fixing 10721 Code
- Inspect all the connections b camshaft position actuator control bank 1, 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