VW Code 14640
14640 Description And Summary : |
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Diameter in engine reductant injection valve circuit range / performance, bank 2 unit 1 it can suddenly lead to a significantly more exhaust bank 4, sensor 2, no activity also reductant temperature sensor, circuit range / performance is the final reason of the code. |
14640 Possible Causes:
14640 vw fault code may be caused by one or more of the following:
- Crankshaft Position Sensor A Circuit Malfunction
- Crankshaft Position Sensor A Circuit Low Input
- Fuel Composition Sensor Circuit Malfunction
- Timing Reference High Resolution Signal A Too Many Pulses
- Fuel Temperature Sensor B Circuit Range/Performance
What To Check After Fixing 14640 Code
- Inspect all the connections valve for pump - jet: cylinder 7 (n303), range / performance
- Check the engine oil to ensure it's clean and the viscosity
- Restart the vehicle and retest to see if the error returns