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Mercruiser 50 EFI Alarm

cliff_mygatt

New member
"New to the forum, looks great

"New to the forum, looks great. Here is the problem. I have a 2006 Mercruiser 5.0 EFI with 190 hours with Bravo 3 outdrive and freshwater cooling in a Bayliner 265 SB. All was well last time I used the boat in Septemeber. I got underway to haul the boat out for anode replacement 10 January. The engine started fine and idled well. As I sped up, I recieved the loud engine gaurdian alarm, constant beep until I throttled back. I noticed the RPM was just over 1100. My oil pressure and temperatures were OK. I checked all fluid levels before operation and after the alarm. I disenegaged the drive and pushed the throttle to get the engine up to 2000 RPM and did not get an alarm. So, what thoughts might you have on this? My current thoughts are temperature/water flow related but not sure and not sure what would cause this. Thanks for any help. I feel it is a simple solution"
 
"Ayuh,...

You've got a


"Ayuh,...

You've got a 'puter monitored motor...

Having a diagnostic 'puter is about the Only way to answer your questions, unless you Find a mechanical problem..."
 
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