Fault code 2387 vgt actuator mechanical fmi 7 Spn 641

[Bhangugr8]

Hi I hav 2012 cascadia with isx
Yesterday I got check engine light.
I went to mechanic .there wad two code
One is 2387 fmi 7 Spn 641 and other one was
1141 fmi 7 Spn 652.mechanic told me that
I need to get new turbo and cyl#2 fuel injector.
Check engine light was on for a day before it goes off
Automatically .mechanic did reset on code for time being.told me to drive until it come again.vgt
Code already comes twice after reset.thanks in advance.
Plz share your views on this.