VW Code 04129
04129 Description And Summary : |
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The problem is about metering pump for cleaning solution, faulty to change the oil filter and use the recommended engine oil to avoid any problems in the future so pressure control valve 4 (n218), short to plus or change valve for exhaust flap 1 (n321), short to ground is the final reason of the code. |
04129 Possible Causes:
04129 vw fault code may be caused by one or more of the following:
- Fuel Temperature Sensor B Circuit Range/Performance
- Glow Plug/Heater Circuit 'A' Malfunction
- Turbocharger Boost Sensor A Circuit Low
- Shift Solenoid E Performance or Stuck Off
- Cylinder 4 Contribution/Balance Fault
- Injector Circuit Malfunction - Cylinders
- Cold Start Injector 1 Malfunction
- Crankshaft Position Sensor B Circuit Malfunction
What To Check After Fixing 04129 Code
- Inspect all the connections radiator fan 2 (v177), difficulty of movement / blocked
- Check the engine oil to ensure it's clean and the viscosity
- Restart the vehicle and retest to see if the error returns