Mercury Mariner 200, 225 Optimax Outboards Service Manual, 90-855348, Page 121Get this manual

Mercury Mariner 200, 225 Optimax Outboards Service Manual, 90-855348, Page 121

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Warning System Operation LOW OIL LEVEL
The system is activated if an ignition coil, sensor, injector or warning horn is not functioning correctly
The CHECK ENGINE light (a) will turn onTHR