1999 Mercruiser HI-Performance GM 377 EFI Engine Service Manual, Page 289Get this manual

1999 Mercruiser HI-Performance GM 377 EFI Engine Service Manual, Page 289

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FUEL INJECTION DELIVERY SYSTEM
1 If removed, reinstall the fuel filter assembly and secure using the two self locking nutsTighten securely2 Connect the fuel lines to the fuel filter adapterTight