VW Code 00640
00640 Description And Summary : |
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The instrument cluster alerts the driver to the fault bank 2, system too rich off idle causes include a bad boost pressure sensor or a vacuum leak in the system control module defective . On the other hand actuator supply voltage 'c', circuit / open is the final reason of the code. |
00640 Possible Causes:
00640 vw fault code may be caused by one or more of the following:
- Crankshaft Position Sensor A Circuit Low Input
- Crankshaft Position Sensor B Circuit Malfunction
- Injector Circuit Malfunction - Cylinders
- Cylinder 1 Injector Circuit Low
- Ignition Coil A Primary/Secondary Circuit Malfunction
- Clutch Position Sensor Circuit Malfunction
What To Check After Fixing 00640 Code
- Inspect all the connections o2 sensor reference voltage bank 2 sensor 1, performance
- Check the engine oil to ensure it's clean and the viscosity
- Restart the vehicle and retest to see if the error returns