Mercury Optimax Models 135, 150, Direct Fuel Injection., Page 133Get this manual

Mercury Optimax Models 135, 150, Direct Fuel Injection., Page 133

WIRING DIAGRAMS
Problem

Check Engine Light

Low Oil Light

Over Heat Light

Water In Fuel Light

Engine Speed Reduction Activated (approx3000 RPM) Yes RPM reduces to 3000 if sensor failsRPM is reduced to Idle speed only if both sensors fail
Over Heat CylHead Compressor Throttle Sensor Failure

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