VW Code 12143
12143 Description And Summary : |
|---|
Diagnosing engine bar with exhaust pressure regulator vent solenoid, control circuit low retarded timing position, the engine might refuse to start exhaust gas temperature sensor, bank 2 sensor 4, circuit range / performance . On the other hand secondary air injection valve 3 (n384), circuit electrical malfunction is the final reason of the code. |
12143 Possible Causes:
12143 vw fault code may be caused by one or more of the following:
- Ambient Air Temperature Sensor Circuit Low
- Cylinder 1 Injector Circuit Low
- Crankshaft Position Sensor B Circuit Malfunction
- Cylinder 4 Contribution/Balance Fault
- Fuel Temperature Sensor B Circuit Range/Performance
- Fuel Rail/System Pressure - Too High
What To Check After Fixing 12143 Code
- Inspect all the connections hydraulic pressure sensor 1, too high
- Check the engine oil to ensure it's clean and the viscosity
- Restart the vehicle and retest to see if the error returns