1999 Mercruiser HI-Performance GM 377 EFI Engine Service Manual, Page 268Get this manual

1999 Mercruiser HI-Performance GM 377 EFI Engine Service Manual, Page 268

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FUEL INJECTION SYSTEM DESCRIPTIONOPERATION
High Energy Ignition with Ignition Control (IC)
An Engine Control Module (ECM) (the nervedecision center of the system) controls the Electronic F