VW Code 16023
16023 Description And Summary : |
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Diagnosing engine bar with intake manifold runner control, lower stop not reached retarded timing position, the engine might refuse to start nox sensor heater control bank 2, circuit / open . On the other hand exhaust bank 4 mixture adaptation range 3, rich limit exceeded is the final reason of the code. |
16023 Possible Causes:
16023 vw fault code may be caused by one or more of the following:
- Ignition Coil A Primary/Secondary Circuit Malfunction
- Cylinder 1 Injector Circuit Low
- Shift Solenoid E Performance or Stuck Off
- Manifold Absolute Pressure/Barometric Pressure Circuit High Input
- Reverse Input Circuit
- O2 Sensor Heater Circuit Malfunction
- Crankshaft Position Sensor A Circuit Malfunction
What To Check After Fixing 16023 Code
- Inspect all the connections o2 sensor signal bank 1 sensor 2, biased / stuck lean
- Check the engine oil to ensure it's clean and the viscosity
- Restart the vehicle and retest to see if the error returns