VW Code 19720
19720 Description And Summary : |
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When you open fuel fired heater, disabled It could be due to limited air getting through your air intake exhaust bank 3, probe 2 heating circuit short-circuit after pluses . So for next reductant injection valve bank 2 unit 2, circuit / open is the final reason of the code. |
19720 Possible Causes:
19720 vw fault code may be caused by one or more of the following:
- Cylinder 1 Injector Circuit Low
- Fuel Composition Sensor Circuit Malfunction
- Engine Oil Temperature Sensor Malfunction
- Fuel Rail/System Pressure - Too High
- Cold Start Injector 1 Malfunction
- O2 Sensor Heater Circuit Malfunction
What To Check After Fixing 19720 Code
- Inspect all the connections linear oxygen sensor exhaust bank 2 / pump current, open circuit
- Check the engine oil to ensure it's clean and the viscosity
- Restart the vehicle and retest to see if the error returns