1998 jeep tj wrangler gas gauge problems - Page 2 - JeepForum.com
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post #16 of 20 Old 08-01-2012, 10:52 PM
Jonny Jeep
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1997 TJ Wrangler 
Join Date: Feb 2007
Location: Manchester
Posts: 5,817
The actuator test is just a cluster test. If the gauge doesn't move correctly during the test - it should move the same as the other small gauges - there is a problem within the cluster. The test doesn't reset the gauges. It just shows if they are functioning correctly. If your gauge functioned properly during the test the problem would be elsewhere. As it doesn't function properly during the test the problem is with the cluster.

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post #17 of 20 Old 08-02-2012, 07:45 AM
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2005 LJ Wrangler 
Join Date: May 2006
Location: Northern Illinois
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Today I filled the LJ up with gas. It was reading 1/4 tank. I put in 10.5 gallons and it went to full. With 8.5 gallons it should have been reading slightly under half a tank.

Current: 2016 Ram 1500 Sport - Past: 05 Wrangler LJ, 90 and 92 Trackers and 98 Wrangler SE
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post #18 of 20 Old 03-30-2015, 09:11 PM
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1993 ZJ 
Join Date: Mar 2015
Location: cincinnati
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Sorry to revive this but was the gauge ever fixed?
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post #19 of 20 Old 04-03-2015, 09:38 PM
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1998 TJ Wrangler 
Join Date: Feb 2015
Posts: 11
It is a defect on older TJs right from factory. I stopped looking at my fuel gauge 3 years ago! I have a 1998 Sahara Tj and went through what you are going thru now. After many forums I found that out. Here is what works for me all the time, Set your mile counter to 0 everytime you fill up your tank and for me at 210 miles its time to get gas. I once just kept driving and ran out of gas at around 214/220 miles and had to have AAA bring me gas!! I know it sounds ridculous but believe me my days of wondering how much gas I have are OVER!! And it has never failed me.
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post #20 of 20 Old 04-03-2015, 10:48 PM
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2000 TJ Wrangler 
Join Date: Aug 2005
Location: Colorado
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If I'm driving on the highway, going from my residence to Moab. The gas warning light comes on at about 300 miles and that means that I have about 2 gallons left in the tank and need to stop for gas in the next 30 miles, done it many times.

It works for me....
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