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  1. #1
    k-dub's Avatar
    Join Date
    Jul 2008
    Lindenwold, NJ

    Partial Throttle Problem 150 Speedster

    I developed a problem with my part throttle operation, there seems to be a very big step in the throttle control around 1/4 throttle. I can't modulate the speed smoothly like I used to be able to. At about 1/4 throttle the boat accelerates way too hard, like that part of the throttle has become an on off switch.

    I checked the cable and mechanical operation is smooth and flawless so I'm wondering if it's got to do with the throttle position sensor or map sensor. Has anyone ever heard of this before?

  2. #2
    Sounds like the T.P.S has a flat spot.

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