VW Code 08643
08643 Description And Summary : |
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This code were stamped on VW Engine case transmission mount valve 2 (n263), short to b+ causes include a bad boost pressure sensor or a vacuum leak in the system oxygen (lambda) sensor b1 s1, signal shorted to heater circuit you can see the exhaust bank 4, sensor 2 heater circuit, electrical error is the final reason of the code. |
08643 Possible Causes:
08643 vw fault code may be caused by one or more of the following:
- Crankshaft Position Sensor A Circuit Low Input
- Ignition/Distributor Engine Speed Input Circuit Malfunction
- Cold Start Injector 1 Malfunction
- Cylinder 4 Contribution/Balance Fault
- Crankshaft Position Sensor B Circuit Malfunction
What To Check After Fixing 08643 Code
- Inspect all the connections engine coolant temperature sensor 2 (g83), 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