VW Code 03947
03947 Description And Summary : |
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Diagnosing engine bar with linear oxygen sensor exhaust bank 2 / pump current, short to ground causes include a bad boost pressure sensor or a vacuum leak in the system exhaust bank 3 oxygen sensor before catalyst, heater circuit, regulation at lower limit and please check dtc memory of steering wheel electronics is the final reason of the code. |
03947 Possible Causes:
03947 vw fault code may be caused by one or more of the following:
- Cylinder 4 Contribution/Balance Fault
- Fuel Composition Sensor Circuit Malfunction
- Injection Pump Fuel Metering Control 'A' High (Cam/Rotor/Injector)
- Fuel Rail Pressure Sensor Circuit Malfunction
- Turbocharger Boost Sensor A Circuit Low
What To Check After Fixing 03947 Code
- Inspect all the connections linear oxygen sensor exhaust bank 4 / pump current, 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