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Fuel Gauge always half full

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  • Speedo / Tach / Gauges: Fuel Gauge always half full

    My 64 Hawk’s Fuel gauge always reports 1/2 a tank give or take a line. I filled it up today, gauge moved Briefly near F then settled at around half a tank.

    Sender or perhaps a sticky gauge? How do you access behind the gushed? Just the few visible screws on the panel to reveal the gauge mounts and wiring?

    Thanks!
    1964 Studebaker GT Hawk
    1970 Jaguar E-Type 2+2
    2003 Ferrari 575 Maranello (3 Pedal)
    2007 Jaguar XK Convertible
    2011 Jaguar XJL 5.0 SC

  • #2
    Excess is from the back of the dash with your head next to the Brake Pedal and arm into the back of the dash.
    Sound like Fun? It IS!

    No Lucas Electrical's though!
    StudeRich
    Second Generation Stude Driver,
    Proud '54 Starliner Owner

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    • #3
      Originally posted by StudeRich View Post
      Excess is from the back of the dash with your head next to the Brake Pedal and arm into the back of the dash.
      Sound like Fun? It IS!

      No Lucas Electrical's though!
      That position sounds like a young mans game. Lucas may be the prince of darkness, but there is a nice flip access panel for most things 🤣
      1964 Studebaker GT Hawk
      1970 Jaguar E-Type 2+2
      2003 Ferrari 575 Maranello (3 Pedal)
      2007 Jaguar XK Convertible
      2011 Jaguar XJL 5.0 SC

      Comment


      • #4
        At least it's not half empty like one car I owned!
        Bez Auto Alchemy
        573-318-8948
        http://bezautoalchemy.com


        "Don't believe every internet quote" Abe Lincoln

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        • #5
          Before you do any work behind the dash, disconnect the battery. Lots of places to short across back there.

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          • #6
            Whoa there. Don't send that man up under the dash yet. Fuel gage problems are almost ALWAYS sender problems. That is easily accessed from the trunk floor. Ground the wire there and turn the ignition on briefly and see if your needle doesn't go all the way up. As soon as the needle gets near full turn the ignition back off so you don't overheat the gage. If the gage goes up properly, then the problem is the sender.

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            • #7
              X2 on what Ross said.

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              • #8
                Just a follow up. As luck would have it I filled up and got a bad tank of gas. Lots of water. While the tank was being drained and serviced, we tested the sender and it was bad. New one on order.

                Thanks!
                1964 Studebaker GT Hawk
                1970 Jaguar E-Type 2+2
                2003 Ferrari 575 Maranello (3 Pedal)
                2007 Jaguar XK Convertible
                2011 Jaguar XJL 5.0 SC

                Comment

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