If u turn it off and then restart to clear the fault, you could have a faulty sensor. If there was a real problem, shutting it down wouldn't clear the fault. Gotta get it to a dealer, so they can put the computer on it and find out what fault code is coming up. Sounds like a similar problem to...
The check engine light comes on only when heading down the lake at between 5000 and 7000 rpm, and the computer puts the engine into safety mode. Shut sled off, and then restart to clear the fault. Dealer checked fault codes in the computer. Keeps coming up knock sensor. Had the knock sensor...