Rough Idle and Won't Accelerate

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  • lakerat
    • Jul 2007
    • 1



    Rough Idle and Won't Accelerate

    I have a 97 SN and after adding gas and running for 15 mins. it began to run/idle rough and ultimately will not accelerate. When in idle and revving the engine there was a popping sound coming from the engine. I assumed it was water and added dry gas. Also checked the fuel coming from the FCC. I did not notice any water. I disconnected the MAP censor intake hose and the boat accelerated but would cut out if I tried to accelerate fast. I replaced the fuel filter and still the same issues.

    Anyone have anything similar or any suggestions?

    How about where to get the engine codes to hook the engine up to a computer to diagnose?
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