Sprint GT Fuel Gauge "stuck"

Discussion in 'Sprint & Trophy' started by Aidan, Mar 17, 2022.

  1. Aidan

    Aidan Well-Known Member

    Dec 31, 2018
    185
    93
    Essex
    #1 Aidan, Mar 17, 2022
    Went for ride today. Was full when I went out and bars dropped as normal. Filled up and the bars usually go all the way to top after a few miles. However, gauge is stuck on the number of bars it had when I filled up. Disconnected battery but made no difference. Anyone got any ideas?
     
  2. capt

    capt Elite Member

    May 8, 2016
    3,051
    750
    western Australia
    #2 capt, Mar 17, 2022
    Shake the tank ? Sensor float ? Probably stuck !
     
  3. Aidan

    Aidan Well-Known Member

    Dec 31, 2018
    185
    93
    Essex
    #3 Aidan, Mar 23, 2022
    By way of update - new sender arrived. Another Triumph rip-off (£80). Anyway, fitted it and still not working. Plugged into Tune ECU and did a reset and now all fine.
     
    • Like Like x 2
  4. Macduff

    Macduff Well-Known Member

    May 21, 2020
    49
    63
    Aberdeen
    #4 Macduff, Jun 19, 2022
    What type of fuel did you use?

    I've found that filling my ST with E10 causes problems with the gauge under reading. If I use super unleaded (E5), it reads correctly
     
  5. Baza

    Baza Elite Member

    Jul 25, 2020
    4,577
    750
    Amazing Grace
    #5 Baza, Jun 19, 2022
    Could this be due to the two fuels having different specific gravities? After all the sender unit is basically a mechanical device, isn’t it? I ask because I’m still in analogue mode from my old Ducati and are not entirely familiar with the electrickery on these modern machines yet.
     
  6. Macduff

    Macduff Well-Known Member

    May 21, 2020
    49
    63
    Aberdeen
    #6 Macduff, Jun 19, 2022
    Yes, I'm assuming it's something like that.
     
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