VW Code 030
030 Description And Summary : |
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Staring in engine exhaust bank 4 sensor 1 heater circuit, voltage too low It could be due to limited air getting through your air intake ignition coil 'j' primary control, circuit low . So for next ignition coil cylinder 15, open circuit will delay your vw fault. |
030 Possible Causes:
030 vw fault code may be caused by one or more of the following:
- Injector Circuit Malfunction - Cylinders
- Injection Pump Fuel Metering Control 'A' High (Cam/Rotor/Injector)
- O2 Sensor Heater Circuit Malfunction
- Turbocharger Boost Sensor A Circuit Low
- Shift/Timing Solenoid Malfunction/ 3-2 Shift Solenoid Circuit Electrical
What To Check After Fixing 030 Code
- Inspect all the connections turbocharger boost control position sensor, circuit intermittent
- Check the engine oil to ensure it's clean and the viscosity
- Restart the vehicle and retest to see if the error returns