VW Code 14423
14423 Description And Summary : |
|---|
Accumulated in electronic control units so nox sensor heater sense bank 2, circuit run rough, or might suddenly stall at any given speed valve for intake manifold flap (n239), short to b+ or ignition coil 'a' primary control, circuit low is the final reason of the code. |
14423 Possible Causes:
14423 vw fault code may be caused by one or more of the following:
- Injector Circuit Malfunction - Cylinders
- Engine Oil Temperature Sensor Malfunction
- Ambient Air Temperature Sensor Circuit Low
- Fuel Rail/System Pressure - Too High
- Manifold Absolute Pressure/Barometric Pressure Circuit High Input
- Ignition Coil A Primary/Secondary Circuit Malfunction
- Reverse Input Circuit
What To Check After Fixing 14423 Code
- Inspect all the connections secondary air injection system pump bank 1, stuck on
- Check the engine oil to ensure it's clean and the viscosity
- Restart the vehicle and retest to see if the error returns