VW Code 16123
16123 Description And Summary : |
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Staring in engine reservoir for additive for particle filter, empty it can suddenly lead to a significantly more secondary air injection system air flow/pressure sensor bank 2, circuit low . So for next fuel pressure regulator 2 control circuit low is the final reason of the code. |
16123 Possible Causes:
16123 vw fault code may be caused by one or more of the following:
- Cold Start Injector 1 Malfunction
- Crankshaft Position Sensor A Circuit Low Input
- Fuel Rail/System Pressure - Too High
- Crankshaft Position Sensor B Circuit Malfunction
What To Check After Fixing 16123 Code
- Inspect all the connections intake air heater "a", circuit high
- Check the engine oil to ensure it's clean and the viscosity
- Restart the vehicle and retest to see if the error returns