Audi A1 1.6 TDI limp mode... New turbo same problem? Fault finding...

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Hi

Right... what a mess..
Let me explain... this car had a few parts replaced, some new, or reconditioned shall we say, still, the car still suffering the same problems...
After a bit of diagnosing, found the issue, the problem was, that was the "new" part was at fault...
And that, well, that I was not allows to touch!...

UPDATE AND FOLLOW UP:
The car ended up coming back... 3 months later and not fixed!!!
Ended up, in order to save some money, to do something I so many times criticize... So, I know I have opened myself to some backlash... all of that on the last video on this car...

Here are the videos for it...

And the Audi comes back... let's fix it this time...
   • And the Audi comes back... let's fix ...  

VAG Turbo Position Sensor Voltage Reverse... "Mistakes" were made...
   • VAG Turbo Position Sensor Voltage Rev...  

A massive thanks to Alex for confirming my suspicions...
Alex Channel here:
   / @va7052  

And Helder for letting me testing his actuator...
Helder channel here:
   / helderputoperformance  

Hope you enjoy the video.
Any questions or comments put them below.
Like always, thank you for watching!