454 mag mpi issues past 3/4 throtfle
#1
454 mag mpi issues past 3/4 throtfle
I have a 454mag efi with procharger . This season it is missing and wont pull rpm past 4500 . I changed wires plugs distributor rotor fuel filter but still runs like **** past 3/4 throttle. Runs fine every where else.
any ideas ???
any ideas ???
#2
Registered
did it use to run past 4500rpm?
The following users liked this post:
articfriends (08-19-2020)
#4
Registered
What is fuel pressure doing when runs bad?
The following 2 users liked this post by liberator221:
articfriends (08-19-2020), SB (08-02-2020)
The following 4 users liked this post by Plus Man:
#7
#8