VW Code 03429
03429 Description And Summary : |
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This code were stamped on VW Engine case bank 2, system too rich at idle run rough, or might suddenly stall at any given speed intake manifold tuning (imt) valve position sensor / switch bank 1, circuit low . So for next evaporative emission system vent (n115), valve stuck open will delay your vw fault. |
03429 Possible Causes:
03429 vw fault code may be caused by one or more of the following:
- Turbocharger Boost Sensor A Circuit Low
- Reverse Input Circuit
- Ignition/Distributor Engine Speed Input Circuit Malfunction
- O2 Sensor Heater Circuit Malfunction
- Exhaust Gas Recirculation Sensor B Circuit High
- Fuel Rail/System Pressure - Too High
What To Check After Fixing 03429 Code
- Inspect all the connections o2 sensor reference voltage bank 1 sensor 1, circuit high
- Check the engine oil to ensure it's clean and the viscosity
- Restart the vehicle and retest to see if the error returns