2002+ Mercury Mariner 150/175/200 EFI 2-stroke Factory Service Manual, Page 248Get this manual

2002+ Mercury Mariner 150/175/200 EFI 2-stroke Factory Service Manual, Page 248

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FUEL INJECTION
IGNITION SYSTEM

Throttle Position Sensor Idle W.O.T
WATER SENSING SYSTEM

WATER SENSING SYSTEM FUNCTION