p0299

Was driving home on the freeway cruising @ 70mpg coming form some wild west adventures with some light off-roading when suddenly I got the dreaded. Wrench Icon "See Manual" and it goes into Limp Mode. So I pull over check everything I can, start it back up and it acts like everything is fine...

So I ended up taking my truck in and they found the turbo was only doing about 7 psi on the highway and determined it needed a replacement. I picked it up on Friday and today the wrench light came back and the code popped up P0299 underpowered turbo which is the same as before. Any ideas? I’m at...