I just got a 2003 f12 non turbo and it is giving me some trouble. I ran it wide open which was only about 45mph [gps]when it should be doing 55mph and then let it idle for about 5 minutes and it started beeping and flashed f1. I killed it and let it rest and then it started and ran for a couple more minutes before it started beeping and shutting down preventing me from going over 3k rpms or 6mph. The previous owner told me he put 5 qts in it and i thought i read it takes 4. I think it spit about a quart inside the ski. After setting overnight i checked oil in the lower left side of the engine and it is showing barely over full mark. I am in the process of getting a manual. It is showing code 25 knock sensor. I found that the low oil pressure sensor is leaking pretty bad but it never threw a code or shut the motor down like the low sensor should do. Ordered a new sensor but i know in my gut its not the fix.
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