2000 ski nautique fuel issues flooding black smoke

[Tim sherman jr]

I have a 2000 ski nautique I just bought it and took it out. The boat starts up fine and idled ok til I got it of the 5mp zone I went to give it throttle and is sputtered and started blowing out black smoke which was fuel. I finally got it cleared out for about a min going about thirty and it started to bog out and died I tried to restart it and it blew out black smoke again and a strong odor of fuel. I had new cap rotor plugs fuel filter and fuel pump. I took it to a boat shop he plugged it in and no code checked fuel pressure it was perfect. Changed plugs again it still wouldn’t run. It has a throttle body. He said the only other thing it could be is the throttle body and the 2 injectors? Could it be anything else thank you guys for taking the time to read this I’m a first time owner sorry if I’m not to smart about boats

[Michael Crouse]

I have the same boat and motor. When I first got mine it needed the entire fuel system cleaned. New plugs, wires, cap and rotor and clean out the throttle body with a good throttle body cleaner. There was a fair amount of build up in there. I run a can of sea foam every other tank or so and it runs strong now.

[Tim sherman jr]

Thank you Michael I appreciate it I’ve done everything but clean out the throttle body. I’ll do that next if it doesn’t change I’ll change the two injectors.