Fuel Indicator | FerrariChat

Fuel Indicator

Discussion in '456/550/575' started by Cappo, Mar 4, 2018.

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  1. Cappo

    Cappo Rookie

    Dec 15, 2010
    6
    Quantity indicates 3/4 when the tank is almost empty. Had new sending unit installed, and still indicates 3/4. Gauge will go to 0 when key is turned off.
    Any guru out there?

    HW



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  2. AVIMAX

    AVIMAX Formula Junior

    Aug 5, 2014
    710
    Toronto
    Full Name:
    Ryan
    How do you know it’s almost empty? By the low fuel light or by how much you fill it with? I have always wondered how accurate the gauge/light is. My low fuel light comes on when the gauge shows 1/4 full, seems early to me, should be about 25 or so litres left at that point. When I fill it, the needle will max out at 7/8 full, it never goes 100% to the full mark. I always stop to fill when the light comes on just in case, and it usually takes about 70-80 litres which seems about right per the needle, just not sure why the light comes on so early.
     
  3. rviani

    rviani Karting

    Jun 22, 2005
    81
    NJ
    Full Name:
    Ron Viani
    Your symptoms are consistent with the float for the sender hanging up on a baffle in the fuel tank. There is some history of this happening on 456's. Solution is to remove the sender and reach into the tank with a long screwdriver and simply push the baffle out of the way.
     
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  4. Cappo

    Cappo Rookie

    Dec 15, 2010
    6
    That sounds like a fix
    Thanks
    HW


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  5. Gizzi

    Gizzi F1 Veteran
    Owner

    Dec 3, 2011
    5,217
    Brisbane, Australia
    Full Name:
    Gezim
    Can I ask where you got the ‘new’ fuel sender unit? I need one for my 456


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