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Old 12-19-2008, 12:44 PM   #1
Join Date: Nov 2008
Posts: 9
Fuel gauge inconsistant - needle not showing accurate measurement

I have a 1994 YJ that the fuel gauge needle changes position all the time. It does not matter if the tank is full or near empty. Any ideas what could be causing this and how to troubleshoot the problem?


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Old 12-19-2008, 02:19 PM   #2
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Mine moves around with fuel slosh - turning, accel, decel, hills. Is what it is, use the trip odometer so you aren't pushing

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Old 12-19-2008, 04:00 PM   #3
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Location: Dayton, ohio
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mine always stalls at half a tank then just drops to an 1/8th when its time...i just look at the mileage anymore.
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Old 12-20-2008, 12:31 AM   #4
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Mine says 1/8th tank when its empty (know from exp that its empty) what would that be?
Mine: 1987 YJ 4.2 5spd soft top
98% of people when they are about to go into the ditch say "oh shit!" The other 2% are Minnesotans and when we are about to go into a ditch we say "Hold my beer and watch this shit!"
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Old 12-20-2008, 08:44 PM   #5
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Bent float rod, or debris under the float keeping it from hitting the 'floor' would be my guess(es).
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Old 12-21-2008, 06:34 AM   #6
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Location: elizabeth co
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check the connections in the guage and the guage itself too
89 yj 4.0 conversion 89 grand waggy tbi
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Old 01-18-2012, 11:20 AM   #7
Join Date: Nov 2011
Posts: 3
Installed new sending unit/fuel pump. When I fill the tank it only reads 3/4 full. HELP

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