1999 Mercruiser HI-Performance GM 377 EFI Engine Service Manual, Page 264Get this manual

1999 Mercruiser HI-Performance GM 377 EFI Engine Service Manual, Page 264

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FUEL INJECTION SYSTEM DESCRIPTIONOPERATION
Speed Density System
The Electronic Fuel Injection system is speed and air density systemThe system is based on speeddensity fuel managementThree