Question about 2002 Buick LeSabre

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How big of gas tank is on it. {gallon wise}. And the gage shows full when you fill it up then after you have about 2-4 gallons left it drops to below the yellow line. Light comes on. Why.

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Ok im trying to be a mind reader now!!! what car is it????
i can tell you why the light come's on,,,its to tell you you need to fill up with gass again? in the uk we call that light the "**** he*d's light" as people dont see it then they run out of gass! stupid "A" if you realy need to know how many galls it takes just fill it up when the light comes on,,not after you have ran out of gass!

Posted on Jul 28, 2010

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18.5 gallon fuel capacity. Also it does that so you fill up before you are actually empty. It is actually better to never go under 1/4 of a tank. For one your fuel pump will stay cooler because its surrounded by gas, secondly it takes less work for the fuel pump because it won't be sucking so hard to get the last bits of gas.
Thank you,
Lee

Posted on Jul 28, 2010

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