Results 1 to 5 of 5
  1. #1
    Join Date
    Jul 2021
    Posts
    14

    Default Top speed 8 mph supra 2022 SL450

    Anybody ever had their boat not go past 8.5 MPH. Zerooff on or off no difference. No codes. Starts no problem, idles and can rev it up or down no problem but won't get up to speed. Any ideas?

    Sent from my SM-F936W using Tapatalk

  2. #2
    Join Date
    Mar 2021
    Location
    South Georgia
    Posts
    2,068

    Default

    No codes? Can you verify that the throttle cable is opening it up all the way?

    Sent from my SM-G781V using Tapatalk
    2021 Moomba Makai
    Black Cherry Metal Flake & Fire Red
    Nibral OJ 15.5x15 Altitude/Wake prop w/1.76 trans v-drive
    Wet Sounds bow speakers & 10's on the Tower & ported sub

  3. #3
    Join Date
    Mar 2021
    Location
    South Georgia
    Posts
    2,068

    Default

    Will it rev up in neutral?

    Sent from my SM-G781V using Tapatalk
    2021 Moomba Makai
    Black Cherry Metal Flake & Fire Red
    Nibral OJ 15.5x15 Altitude/Wake prop w/1.76 trans v-drive
    Wet Sounds bow speakers & 10's on the Tower & ported sub

  4. #4
    Join Date
    May 2018
    Posts
    5,007

    Default

    I have had the zero off do strange things like slowly count up on its own, needed to shut boat off and then fully reboot both screens before starting to correct it.

    But it sounds like your condition is some sort of limp mode or throttle safety issue.


    Sent from my iPhone using Tapatalk
    2021 Supra SA 400
    2018 Supra SA 400 (SOLD)
    Michigan

  5. #5
    Join Date
    Apr 2013
    Location
    Knoxville TN
    Posts
    3,217

    Default

    I first thought the boat might be thinking it's following a profile that is set to a surf setting, but since it's 8.5 mph it sounds more like limp mode.

    I would try a hard-reset and see what happens. If that is not working, have the dealer hook up the computer to it.
    2018 Supra SL400

Posting Permissions

  • You may not post new threads
  • You may not post replies
  • You may not post attachments
  • You may not edit your posts
  •