I have a 1996 Donzi 182 with the 4.3 mercruiser. Yesterday, we were on the lake and the boat ran perfect. I was at full throttle and it up and died flat on its face. My obvious reaction was to see if the kill switch,(red toggle), was tripped as to which it was not. I had gas in the tank, so I know that was not it. Stopped the boat and shifted back to neutral and tried cranking it back up. Nothing. Will turn over, but will not start. It acts as if it’s not getting fuel. Any ideas?