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Hi, I need some help with my ford escort 1992 LX. The problem is I changed the speedometer from 80- 120. Next thing that happened was "the problem," it was the fuel it goes above "F" full and I do not know should I get another Fuel gauge or was there something that came off? Everything else of the instrument is working the Tach, Speedometer, & temperature, but not the fuel. And is there anything I can check that would solve this problem. Because now I do not know how the fuel if its empty or full?? Any help would help...thank you!
 

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shit...when my gt is full gas, it always goes over the full mark. And, if i gun it or go down a hill, my gas guage goes up and down. I just go by the miles i have on trip odometer to tell me how much gas i have left. I mean, its not terribly inaccurate, but its just more precise to go by the trip odometer.
 

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yeah, mine's the same with 92gt5spd's.

dont worry about it much, unless it's off by 180 degrees.

plus, you might be a little overprecautious. because you just put something new and unfamiliar in your car, and it's natural to be worried and over estimate things of that nature.

(i.e. i just got new tires, and im forever checking the pressure to make sure they're not leaking..)

but, if it's really THAT off, then do what these other guys are suggesting..
 

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The way it works is actually quite ghetto. A little buoyant "bob" sits at the top of the tank and it drops from the top, when theta=90, to the bottom, when theta=0. Because of the width of the buoy, the resistor sends out a full signal anywhere when the tank is full to when the fuel level is equal to full minus the width of the buoy.

But instead of having me describe it, I suggest you go here instead.

http://auto.howstuffworks.com/fuel-gauge.htm
 

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my gauge blows too. i ran out of gas the other day because i thought i had more gas then i did. when i turn the car on it goes to more than full and then goes down but by the time it goes down to where its supposed to be i'm already where i have to go. anyway i just go by trip meter.
 
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