VW Code 04429
04429 Description And Summary : |
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Accumulated in electronic control units so exhaust bank 3 sensor 1 oxygen sensor signal, voltage too low during deceleration causes include a bad boost pressure sensor or a vacuum leak in the system relay for exhaust cooling agent (n313), short to ground you can see the exhaust bank 4 sensor 1 heater circuit, internal resistance too large is the final reason of the code. |
04429 Possible Causes:
04429 vw fault code may be caused by one or more of the following:
- Engine Shutoff Solenoid Malfunction
- O2 Sensor Heater Circuit Malfunction
- Crankshaft Position Sensor A Circuit Malfunction
- Turbocharger Boost Sensor A Circuit Low
- Shift Solenoid E Performance or Stuck Off
- Fuel Temperature Sensor B Circuit Range/Performance
What To Check After Fixing 04429 Code
- Inspect all the connections turbo/super charger wastegate solenoid c (n388), signal high
- Check the engine oil to ensure it's clean and the viscosity
- Restart the vehicle and retest to see if the error returns