1987 Erude XP150 alarm at WOT only

northrivergeek

Seaman Apprentice
Joined
Mar 11, 2006
Messages
38
I searched the forum b4 asking this couldn't find anything quite like it so her eI am asking for help.
Like title says 1987 Erude XP150 alarm at WOT only, this only occurs when I run WOT, either after on plane or from dead stop. I can run 40-45 for 15 miles at a time and no alarms, but if I push it to WOT buzzer sounds, seems to be solid buzzer , If I back off back to 35-40 the buzzer goes off.

Replaced Thermo Stats and water pump couple months ago. VRO pump disconnected by service guy b4 i bought this boat.
Ive seen a few posts on other boards that mention fuel restriction issues, and someone mentioned a vacuum sensor ? I couldn't find anything in manual about a vacuum sensor.. I need someone to go with me to monitor bulb to see if its getting flat at WOT. so until I can get some one to go .. I don't know about that one. someone else mention anti back flow in tank. or how to test some of the above suggestions given to me previously

Any suggestions I haven't tried or done already?

Thanx in Advance
Sean
 
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