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The gas gauge almost always reads empty and low fuel indicator light is o as well....sometimes it jumps to the correct amount of gas and the indicator light goes out...loose ground? and where?

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Depending witch year and model, most seen problem is the electrical connector on the fuel pump by the gas tank

Posted on Aug 05, 2010

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Digital gas gauge reading incorrectly and inverted


sounds like a faulty sender unit or your just realy low on fuel before you spend any money on repairs try filling the tank up with fuel as if its been low for a long time the sender unit in the tank may be sticking the fuel will lube it and may start working again

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Its very simple. If the gauge is showing half full then fill the tank and see how much fuel it takes. If the amount you add is approximately 50 percent of the fuel tank capacity then you know the fuel gauge is accurate . In that case the computer is giving an inaccurate reading and should be ignored. All you need is an accurate fuel gauge - it does not matter a row of beans what the computer says if the fuel gauge is reading correctly.

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Need to replace the sensor inside the gas tank. I have a 2008 Malibu with the same problem. It was a faulty fuel gauge sensor.

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The gas gauge on my 92 Dodge Grand Caravan stopped working over the past two days. Two days ago it seemed to be fine. Yesterday it indicated that I had a quarter tank when it should have been 3/4 like the...


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Gas gage went to empty and low gas light went on and low tire light


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Fuel gauge reads E when first started, jumps to F after awhile


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I have a 1994 dodge ram 1500 slt. and the gas gage will not read the amount of gas in the gas tank and gas light stays on when I know the tank is full. leaving me wondering how much gas i run on sometimes....


The problem is with the sensor inside the gas tank since the method of indication used is by passing an electric current & the resistance to that current is a measure of level of liquid in the tank , i.e. the gauge consists of two parts:
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The sensing unit usually uses a float connected to a potentiometer. As the tank empties, the float drops and slides a moving contact along the resistor, increasing its resistance. In addition, when the resistance is at a certain point, it will also turn on a "low fuel" light on some vehicles.
However if this float gets stuck to the bottom of the tank or a leak fills up the float making it sink to the bottom of the tank, thus always indicating 'E' for empty.........................sodeep

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You have a fuel gauge sending unit problem, the gauge is not the problem, the sending unit is in the gas tank, u must remove the gas tank to replace it.

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Sorry no the sending unit in your tank is bad replace it. If you are sure of amount of as you have and you know your average MPG you could wait till your tank is low so as not to waste much gas Give yourself a 3MPG reduction for error accountability.

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