turbo boost

we did take it to the truck center and they did hook it up to the computer stuff. they say it's the actuator. we just as you said don't want to throw money away at parts. we don't live in a large community and the last time we had this worked on we did spend a lot and were not sure all of it needed done. That's mostly why we are asking about this on here. They will order the actuator and it's not that costly and can put in on. Just was looking for input as to if others have had this issue. We did repair some leaks and replaced some gaskets earlier in the summer and it was fine then all of a sudden this