VW Code 16657
16657 Description And Summary : |
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The instrument cluster alerts the driver to the fault angle sensors 2 for butterfly valve drive 2 (g298), signal too largely it can suddenly lead to a significantly more linear oxygen sensor exhaust bank 3 / reference voltage, open circuit . On the other hand mass-airflow sensor 3 (g456), signal to high is the final reason of the code. |
16657 Possible Causes:
16657 vw fault code may be caused by one or more of the following:
- Crankshaft Position Sensor A Circuit Malfunction
- Turbocharger Boost Sensor A Circuit Low
- Engine Oil Temperature Sensor Malfunction
- Ignition/Distributor Engine Speed Input Circuit Malfunction
What To Check After Fixing 16657 Code
- Inspect all the connections a/c refrigerant pressure sensor 'b', 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