Turbo protege5 hesitating in 4th and fifth gear

Slapper

Member
:
2002 protege5
Turbo protege5 hesitating in 4th and fifth gear boost gauge shows boost doesn't seem to be missing. Its fine under load in all other gears. Any ideas?
Could be bypass valve?
Loose nuts on compressor housing?
Fuel pump?
Rich or lean?do I need a fpr? Does JoeP still exist?
 
Last edited:
Back