Limp mode 2004 hemi 5.7

[joepegram1]

So I had a new radiator and 4wheel drive linkage installed, when I hot the truck back it started the problem.
Problem is one day it's fine shifts fine, starts up fine. The next day it's hard to start and won't shift into overdrive. It's gone back and forth like that for a week and now it's in this what I call Limp mode all the time. Could it be a bad computer?

 

[Rado]

Check the connection on the throttle body !
It may be loose or poor connection.

Or maybe something got knocked loose when the did the radiator ?
Have you told the shop that did the work ?
Good luck and PLEASE UPDATE what you find out
And Welcome to the group
Sorry I am no real help and hope a gear head chimes in

 

[joepegram1]

Thankyou ill sure let everyone know.

 

[Rado]

Good luck.. Hope the shop that did the work will help