VW Code 10521
10521 Description And Summary : |
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Staring in engine exhaust gas temperature sensor bank 2 sensor 3, circuit high it can suddenly lead to a significantly more intake manifold flap position sensor (bank 1): implausible signal also nox sensor heater sense bank 1, circuit intermittent is the final reason of the code. |
10521 Possible Causes:
10521 vw fault code may be caused by one or more of the following:
- Crankshaft Position Sensor A Circuit Malfunction
- Manifold Absolute Pressure/Barometric Pressure Circuit High Input
- Fuel Temperature Sensor B Circuit Range/Performance
- Injector Circuit Malfunction - Cylinders
- Fuel Composition Sensor Circuit Malfunction
What To Check After Fixing 10521 Code
- Inspect all the connections ignition coil 'g' primary control, circuit low
- Check the engine oil to ensure it's clean and the viscosity
- Restart the vehicle and retest to see if the error returns