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Help with loss of power

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Took the boat out today! 1st time this season after winterizing. Fired right up, upon getting on the lake was going to open it up and couldn’t get it over 12 mph and 2700 rpm in forward.


in neutral revs up no problem.... help. Please


2010 Malibu lsv 23


-checked prop and key in tact. Both wrapped up. 

-wedge checked and still works and was up.


checks all hoses and clamps appear to be be good and tight.

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Ok great! We paid the mechanic to change before winterizing as we are new boat owners and I’m finding sign nothing was done. Where do we find the fuel filter? 

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Go through your LCD dash display menu, unfortunately I forget where, but there is a screen that shows active and stored fault codes. If you can find it and report back on what is listed it will help troubleshoot things. 

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I agree it sounds like a fuel/ tune up issue. Has it ever had a tune up? Spark plugs, wires, fuel filters? It is 10 years old now. Not sure if that year has an inline fuel filter or not, but you should be able to see it. Just look for the fuel line coming from the tank to the motor. 

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