454 mag mpi issues at wot
07-31-2020, 07:08 PM
#1
454 mag mpi issues at wot
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 ???
08-01-2020, 06:46 PM
#2
It is likely running lean. Fuel delivery issue could be the injectors, regulator etc.
