VW Code 04640
04640 Description And Summary : |
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This code were stamped on VW Engine case valve for pump - jet: cylinder 8 (n304), regulation range exceeded it can suddenly lead to a significantly more data bus powertrain, implausible message from control module fuel pump . On the other hand cylinder 10 injector, data incompatible will delay your vw fault. |
04640 Possible Causes:
04640 vw fault code may be caused by one or more of the following:
- Cold Start Injector 1 Malfunction
- Engine Oil Temperature Sensor Malfunction
- Shift Solenoid E Performance or Stuck Off
- Cylinder 10 Contribution/balance Fault
- Shift/Timing Solenoid Malfunction/ 3-2 Shift Solenoid Circuit Electrical
- Engine Shutoff Solenoid Malfunction
- Injector Circuit Malfunction - Cylinders
What To Check After Fixing 04640 Code
- Inspect all the connections mass-airflow sensor 4 (g457), signal to low
- Check the engine oil to ensure it's clean and the viscosity
- Restart the vehicle and retest to see if the error returns