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post #2 of (permalink) Old 7th August 2008
Technical Supremo

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Generally fuel gauge systems have a voltage regulator to smooth out the voltage variations otherwise the readings would tend to be all over the place. I am not sure where it may be located on your car but many cars have it located around the speedo panel. A poor earth will also have the same effect so it would be prudent to check the earth at the fuel sender.
My first check would definitely be the earth.
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