454 mag mpi issues at wot
07-31-2020 | 07:08 PM
#1
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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
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Joined: Jun 2011
Posts: 1,208
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It is likely running lean. Fuel delivery issue could be the injectors, regulator etc.
