2020 150hp possible fuel related issue

pittpete

Cadet
Joined
Nov 21, 2023
Messages
25
4th time out after purchasing boat with 2020 150hp with 260 hrs and full tank of fuel.
Previous owner never knew he had a fuel water seperator but always rtreated with marine stabil.
I replaced it before going out on my 4th trip.
I cruised around for around an hour+ between 4-4500 RPMs.
Slowed down to around 3000 RPMs while returning and the engine hesitated when I throttled back up.
Kept it at 3000 for a few minutes and tried again and she hesitated.
Kept it at 3000 while limping home for sround 10 minutes or so.
Tried one more time to accelerate before entering marina and she was fine.
Sound like water in fuel or a restriction that some how passed through?
Down to half tank of fuel and no alarms on dash?
Thanks
 

nola mike

Admiral
Joined
Apr 22, 2009
Messages
6,019
Could be a lot of things. How old is the gas? Stabil isn't magic. Did you check the filter when you changed it? Might want to take another look. Running off a fresh portable tank is always pretty high on initial troubleshooting steps.
 
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