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Old 04-10-2006, 05:07 PM   #1
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Default 2000 SE fuel gauge problem

I have a 2000 SE and the fuel gague acts wierd. It reads ok till you get to 1/2 tank then every time you step on the gas pedal it goes full. This would be great if it were true. I have read that eariler models require a resistor to be put in under the back seat but did not know if this could be applyed to mine. Any help is greatly appreciated.
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Andrew
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Old 04-10-2006, 05:10 PM   #2
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I think that the resistor idea will work on the 2K+ models also, because I think that'* all the dealers do when you take them in for it if I remember correctly. But on the other hand, the sending unit attached to the pump in the tank may also be going bad judging on the age of the car, and if that'* the case, the pump may also be on it'* way out the door too.
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Old 04-10-2006, 05:13 PM   #3
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can someone explain the resistor fix? i am not familiar with this? and how does it relate to his fluctuation
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Old 04-10-2006, 05:22 PM   #4
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Something with the wrong resistance or too much votlatge or lil voltage coming off the sender that if you splice into the sending units line, pop in (IIRC) a 2K resistor or something like that it should take care of it.


I actually think it'* in tech info?
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Old 04-10-2006, 05:24 PM   #5
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well on older cars (like my dad 1970 malibu) a fuel gauge is just a variable resistor... if the sending unit is band on the float in the tank you will get weird readings... by steping on the gas you might be jaring the sending unit enough to throw the ohm value off, sending you to a full tank. i don't know about any resistor under the seats BUT I would think you need to look into this possibilty too...

(you may get a lot better help if this is moved into the tech portions of the club)
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Old 04-10-2006, 05:26 PM   #6
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Ok, I found it....

Says 92/93 for the affected years, but I SWEAR i've read that someone'* had it done to a 2k+.

http://www.bonnevilleclub.com/forum/...e=article&k=39
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Old 04-10-2006, 06:21 PM   #7
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Quote:
Originally Posted by toastedoats
can someone explain the resistor fix? i am not familiar with this? and how does it relate to his fluctuation
Yeah, I was wondering the same thing. The fault more than likely is the fuel level sensor which is a variable resistor. A section of the resistor may be burnt or faulty when the wiper passes over that area & may give erroneous fuel level indications. Common prob with GM cars.
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