we had this tracker for 12 years never turned a wrench at the end of last year we had a missing problem took it to the shop they put new rvo pump on it still had the problem come to find out the regrind prop was letting the motor hit rev limiter so boat was good this year got it out went fishing once fine but got a beeping so put oil in it took it out the other day running across lake beeping went off and boat died like it blew instantly startied it back up beeping gone idled for a while and hit the gas got up to speed started beeping beeping every so many seconds back to idle and beeping gose away put a new head gasket on it and still dose same thing checked oil tank sensor that works but dont think thats it gotta be something more to make it act like it sezies any pointers thanks