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    Merc 225EFI Alarm

    I am totally frustrated and need some help. Problem began with temp light and beeping horn going off with a temp reading of around 140. Replaced thermostats, temp sensor and water pump. It now changes to an alternating temp and oil light and a beeping horn while running. Temp is around 140 and...
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    Warning Horn Merc 225 EFI

    I am completely stumped. My 2001 while the ignition is on not started a continuous beeping with an alternating oil and temp light. So far I have changed thermostats, temp sensor, rebuilt water pump. I also changed the on board oil tank, emptied the on board water separator to check for water...
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