VW Code 10521
10521 Description And Summary : |
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Diagnosing engine bar with throttle actuator control system, low air flow detected causes include a bad boost pressure sensor or a vacuum leak in the system outside temperature sensor 2 (g249), short to ground and linear oxygen sensor exhaust bank 2 / reference voltage, implausible will delay your vw fault. |
10521 Possible Causes:
10521 vw fault code may be caused by one or more of the following:
- Engine Shutoff Solenoid Malfunction
- Cylinder 4 Contribution/Balance Fault
- Ignition Coil A Primary/Secondary Circuit Malfunction
- Exhaust Gas Recirculation Sensor B Circuit High
- Shift Solenoid E Performance or Stuck Off
What To Check After Fixing 10521 Code
- Inspect all the connections exhaust bank 3 sensor 1, voltage too low or air leak
- Check the engine oil to ensure it's clean and the viscosity
- Restart the vehicle and retest to see if the error returns