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Old 08-10-2005, 02:39 AM   #1
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Default Fuel Gauge Stays at Full... HELP !

Just got my '92 Bonne SE last week & my Fuel gauge stays at Full, well a little beyond full, like where it should sit pass empty when car is off.
We checked all the Fues & connections, now we think it the guage all together.

Anyone had this problem before or know where to get the new gauge?
Thanks
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Old 08-10-2005, 02:41 AM   #2
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new fuel sending unit...

someone get her the number
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Old 08-10-2005, 07:45 AM   #3
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92s have an operating range of 0 ohms empty to 90 ohms full. If the fuel level signal wire were disconnected or broken, that would be infinate resistance and would display a very, very full tank of gas on the gauge all of the time. Before spending over $100 for a sending unit, check that wire. It should be a purple wire. Use a multimeter and measure before and after the tank connector and at the cluster connector for best results. I expect you'll find a break in that circuit.
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Old 08-10-2005, 10:57 AM   #4
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My 93 does this occasionally (every 10th fill or so). I turn off the ignition and back on to fix it sometimes, but most times, the needle comes back to normal within a couple minutes or bumps.

Yours sounds more terminal. I think mine is actually sticking sometimes at the high level. Do what'* suggested above. It sounds very likely.
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Old 08-10-2005, 12:21 PM   #5
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Bill next time it messes up on you. Try this. pop it into neutral for a moment and see if it adjusts down to the prope level.
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Old 08-10-2005, 03:22 PM   #6
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Thanks Guys for the ideas. I'll have my man check out the wire before we get the new sending unit. Hate to spend $100+ if I don't have to. Could use a new Sterio

Any other ideas welcome...I'll let you know what we find out
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Old 08-10-2005, 04:47 PM   #7
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I think Damenorder recently posted about a ground in the base of the rear seat that can cause bad sender results.
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Old 08-13-2005, 11:00 AM   #8
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Well the news is bad....

The sending unit is gone

had my dad check it yesturday... so now we know!

Thanks for all the help guys
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Old 08-13-2005, 07:20 PM   #9
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Let us know if you get it fixed...

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Old 09-19-2005, 07:05 PM   #10
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Default sending unit

I have a 97 and the fuel guage stays on full all the time. I went to the dealer today and they told me it was a $400 part for the sending unit. anyone send me a link, as to where i can get one without the dealer price gouge?
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