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2000 Mercury EFI 200hp ALARM

Posted By: chickenfried76

2000 Mercury EFI 200hp ALARM - 04/16/22 09:16 PM

Hi. Please help. I beep beep beep beep beep beep alarm when I turn on the engine. The beep never stops. It seems that oil is filling the reservoir on the front of the motor. The water coming out of the pee hole is really hot. I’m not a mechanic. I think I need to replace the water pump even though it has a good stream at the back. Thank you for your help.

Mercury EFI 200hp
VIN 0T154094

Matt
Posted By: T Bird

Re: 2000 Mercury EFI 200hp ALARM - 04/17/22 01:46 PM

Check the remote oil tank float sensor. They tend to stick in the down (low/empty) position.
Posted By: hopalong

Re: 2000 Mercury EFI 200hp ALARM - 04/17/22 04:29 PM

https://www.perfprotech.com/blog/ma...-and-guardian-system-warning-horn-alarms
Posted By: Mckinneycrappiecatcher

Re: 2000 Mercury EFI 200hp ALARM - 04/18/22 04:27 PM

You could replace the water pump, that never hurts to do. but if I remember right this is usually a result of a fault oil tank in the boat. You can fix this by replacing the oil tank. Does it put the motor in limp mode and only let you run about 3/4 of max rpm?
Posted By: chickenfried76

Re: 2000 Mercury EFI 200hp ALARM - 04/18/22 09:01 PM

I am having a bunch of normal service items done tomorrow. I can do most of these myself, but these days I just don't have the extra time. It's been awhile so why not. They are also gonna check out the oil system. I appreciate the feedback.
Posted By: chickenfried76

Re: 2000 Mercury EFI 200hp ALARM - 04/20/22 01:50 AM

Oil system removed today. Lots of normal service. I’m now an oil mixer. Took it out to GV for a test run. I’m back! Thank you, Patterson Marine.
Posted By: Mckinneycrappiecatcher

Re: 2000 Mercury EFI 200hp ALARM - 04/20/22 07:03 AM

Originally Posted by chickenfried76
Oil system removed today. Lots of normal service. I’m now an oil mixer. Took it out to GV for a test run. I’m back! Thank you, Patterson Marine.

Those oil tanks are notorious for failure. If you can do this it’s the best way to go.
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