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2007 Monsoon no throttle control after 25MPH

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Boat was running great and then all of a sudden it stops accelerating past 25MPH.  Perfect pass turned off and now engine throws misfire on cylinder 2.  But yet pulled that plug and it is fine and boat is not running bad just irregular throttle.  This is a fully digital throttle control.

Any ideas?

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Add 5 gallons of gas.

A misfire and eventually stalling (no start) taking apart my entire fuel and spark system is what led me to give up and add 5 gallons of gas, confirming that I needed a new fuel sender

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My 96 Response did the same. I did a complete tune up changing plugs wires cap rotor etc. even changed the fuel filter between the fuel pump and the engine...still no joy. Turns out there is a second inline filter between the tank and the fuel pump.  I removed the back seat and found it above the tank.  Now runs like new. Part # NapaGold 3482 (WIX 33482) 40 micron, 3/8 in barbed, inline filter $12.50

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@smileysteve Had a similar issue with my boat this weekend, are you saying that the Monsoon engine setup will lower RPM, throttle if it senses low fuel? I was surfing and the boat just would not go past 3,500 RPM even with the Cruise Control off and putting the throttle all the way down. I was running less than half fuel and I was wondering if the tilt of the boat while surfing was giving the fuel cell a low reading.

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