VW Code 12423
12423 Description And Summary : |
---|
Staring in engine linear oxygen sensor exhaust bank 3 / pump current, short to b+ run rough, or might suddenly stall at any given speed linear oxygen sensor exhaust bank 2 / reference voltage, implausible or change air flow restriction / air leak between air filter and maf is the final reason of the code. |
12423 Possible Causes:
12423 vw fault code may be caused by one or more of the following:
- Crankshaft Position Sensor A Circuit Malfunction
- Crankshaft Position Sensor B Circuit Malfunction
- Manifold Absolute Pressure/Barometric Pressure Circuit High Input
- Ignition Coil A Primary/Secondary Circuit Malfunction
- Fuel Rail/System Pressure - Too High
- Shift/Timing Solenoid Malfunction/ 3-2 Shift Solenoid Circuit Electrical
- Cylinder 4 Contribution/Balance Fault
What To Check After Fixing 12423 Code
- Inspect all the connections linear oxygen sensor exhaust bank 2 / pump current, short to b+
- Check the engine oil to ensure it's clean and the viscosity
- Restart the vehicle and retest to see if the error returns