Problem turbo pressure gt2056s

[399road]

Hi everybody


I have an impossible problem to adjust the pressure to 1.1 bar with my gt2056s.


I regulate the wastegate at minimum and the pressure rises to 1.7 bar and more I can not regulate less.


To be accurate 2 ime 1.4 bar 3 and 4 ime 1.7 bar and 5 th 1.8 bar.


I disassembled the turbo and I adjusted the westegate to 1.2 bar but the same in the acceleration its regulates to 1.7 bar.


Has anyone had this kind of problem?




The gt2056s is brand new out of factory.


Salut a tous

j ai un problème impossible de régler la pression a 1.1 bar avec mon gt2056s .

je règle la wastegate au minimun et la pression monte a 1.7 bar et plus je n arrive pas a réguler moins.

pour étre précis 2 iéme 1.4 bar 3 et 4 iéme 1.7 bar et 5 ième 1.8 bar.

j ai démonté le turbo et j ai réglé la westegate a 1.2 bar mais pareil en l'accélération sa régule a 1.7 bar.

est ce que quelqu' un a eu ce genre de problème ?

le gt2056s est tout neuf sorti d usine.

Yes. Mine did the same but ran 2 bar. I'd bought a cheap manual boost controller with no instructions and aftrr swapping it to a Dawes type controller and piping it up correctly all is under control. It went like a Lambo on 2 bar though, and then shat its turbo.