problem with 502 efi? HELP
 

my starbord motor is boggin out or droppin off at rpm's around 3600 or higher or lower cruising speeds when the water gets a Lil rough, tach was droppin 6 to 800 then pickin back up almost feels like it's hitting the rev limiter, sounds fuel related to me anyone help out?

Have You Scaned It Yet?

no

fuel filter, weak fuel pump?

I had one do that and all it was , a broken valve spring had it replaced in about an hour.