2002 merc 40.oil alarm

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,oil alarm goes off before cranking. removed jug and cleaned. rinsed float and reinstalled. how do I find out if oil is getting to gas?

 

[galamb]

Try this...



On your model the oil alarm "only" tells you if there is oil in the tank, not whether or not the pump is actually functioning. Because of that I find the "alarm" of very limited value - if you top up the oil before every outing you never have to worry about running out of oil. So if you have continued "false alarms" I would simply disconnect the sensor rather than replace it. The tank on these will hold enough oil for about 7 hours of run time at full throttle - likely more "hours of oil" than "hours of gas" in the tank.