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Need some direction please.

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    Need some direction please.

    I have a 1999 21V.We have had it out a few times this year and the boat is running great.The problem Im having is when we are running about 3/4 thottle for while the alarm will sound.Gauges are reading about 3400 RMM 14 Volts 175 degrees and 40psi of oil pressure.As I said before it is slill running great.If I stop kill the key restart and just thottle back a bit the alarm will not come back on.What could be causing this? And what do I need to check in order to resolve this? Any help would be cool. Tanks!

    #2
    High trans oil temp. Possible causes are blocked trans cooler inlet (debris from the water pump blocking flow through the cooler, remove water inlet line to trans cooler and clean/clear out) and low trans oil level. The alarm only comes on for low oil pressure, high engine temp or high trans temp and all of those sensors are independent from the gauges so it's possible to have a failed/failing sensor set it off.
    Fixing everyone elses boat just so I can use mine...

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      #3
      could the oil pressure being too high cause the alarm and red light on dash to go off as well? My boat just did the same thing, two times, changed the oil, oil filter and it continues to do that. Anyone know what to do? change the oil sensor?

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