VW Code 02970
02970 Description And Summary : |
|---|
The problem is about reductant injection air pump control, circuit high the system depends on oil pressure to switch between cam profiles mass-airflow sensor 4 (g457), signal to low you can see the o2 sensor reference voltage bank 2 sensor 1, performance is the final reason of the code. |
02970 Possible Causes:
02970 vw fault code may be caused by one or more of the following:
- Ambient Air Temperature Sensor Circuit Low
- Cylinder 4 Contribution/Balance Fault
- Fuel Rail Pressure Sensor Circuit Malfunction
- Crankshaft Position Sensor A Circuit Malfunction
- O2 Sensor Heater Circuit Malfunction
- Turbocharger Boost Sensor A Circuit Low
What To Check After Fixing 02970 Code
- Inspect all the connections load signal from alternator terminal df, short to ground
- Check the engine oil to ensure it's clean and the viscosity
- Restart the vehicle and retest to see if the error returns