2001 volvo xc70 chek engine on.I cheked the code at autozone and "engine overboost" came on. Computer display (on dashbord ) show code 025.I called volvo dealership to find out what part is under this cone#.and they ask me to be more specific.It is someone who can help??Thank you!

 

Check the hoses to the electronic boost controller on the air filter box.