bodgit and leggit garage how to test a fuel tank sending unit
887 views · Published 10 November 2014 · 5:33 · Indexed 10 November 2026
Channel: bodgit and leggit garage · 2014 · People & Blogs
bodgit and leggit garage tips and tricks inside your video hopefully help you don't forget get your hands dirty A fuel gauge (or gas gauge) is an instrument used to indicate the level of fuel contained in a tank.[1] Commonly used in cars, these may also be used for any tank including underground storage tanks. As used in cars, the gauge consists of two parts: The sensing unit The indicator The sensing unit usually uses a float connected to a potentiometer. typically printed ink design in a modern automobile. As the tank empties, the float drops and slides a moving contact along the resistor, increasing its resistance.[2] In addition, when the resistance is at a certain point, it will also turn on a "low fuel" light on some vehicles. Meanwhile, the indicator unit (usually mounted on the dashboard) is measuring and displaying the amount of electrical current flowing through the sending unit. When the tank level is high and maximum current is flowing, the needle points to "F" indicating a full tank. When the tank is empty and the least current is flowing, the needle points to "E" indicating an empty tank.
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