1999 Mercruiser HI-Performance GM 377 EFI Engine Service Manual, Page 346Get this manual

1999 Mercruiser HI-Performance GM 377 EFI Engine Service Manual, Page 346

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DIAGNOSTICS

5V B+ B+ .62V

5V B+ B+ .62V

Poor Performance And Acceleration, Incorrect Idle Poor Performance, Surge, Poor Fuel Economy, Exhaust Odor Poor Fuel Econ