VW Code 12703
12703 Description And Summary : |
|---|
This code were stamped on VW Engine case air cleaner inlet control, circuit high causes include a bad boost pressure sensor or a vacuum leak in the system particulate trap bank 2, efficiency below threshold or change intake manifold runner control, circuit low bank 1 is the final reason of the code. |
12703 Possible Causes:
12703 vw fault code may be caused by one or more of the following:
- Crankshaft Position Sensor A Circuit Malfunction
- Injector Circuit Malfunction - Cylinders
- Cold Start Injector 1 Malfunction
- Manifold Absolute Pressure/Barometric Pressure Circuit High Input
What To Check After Fixing 12703 Code
- Inspect all the connections mass-airflow sensor 3 (g456), signal to high
- Check the engine oil to ensure it's clean and the viscosity
- Restart the vehicle and retest to see if the error returns