97 lacks power

[cooper09250]

I have a buddy who has a 1997 7.3 with 80k. It acelerates great up to 45mph than falls flat on it face. Starts great... Any ideas?
Thx

 

[Gary]

Check fuel pressure

 

[Brad.S.19]

Fuel pressure and filters.


Sent while speeding pushing little cars of the road and eating a burger.