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Old 03-11-2011, 01:09 PM
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New Member with 1997 TJ Gas Gauge problem

Hi eveyone! I'm a new memeber but this is my third Jeep. Owned a 1994 Sahara and a 2004 Jeep Liberty in the past. I just bought this 1997 Wrangler Sport with 132000 miles on it. I've got a weird gasa gauge problem. Power on gauge reads almost 1/2 full no matter how much gas is in the tank, power off gauge shows empty, when low on full the Low full light comes on like it should. How can I get the gauge to work correctly.

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Old 03-11-2011, 04:38 PM   #2
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Sounds like a bad gauge sender to me, I believe that the sender is part of the fuel pump assembly for tj's

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Old 03-11-2011, 04:42 PM   #3
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Yep you need to replace the fuel pump assembly which includes the fuel gauge sender to repair that. The gas tank needs to be dropped to do that which is not a difficult to do job at all.
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Old 03-12-2011, 11:49 AM
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Thanks

Thanks for the response from both of you. That's what I was thinking, but I was puzzled why the Low Fuel light and Alarm still worked. I thought they were both from the same circuit and not seperate.
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Old 03-13-2011, 09:13 PM   #5
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Make sure if u change the fuel pump that the tank is close to empty I made the mistake of dropping the tank with 3/4 tank of gas. Took me like 3 hrs with all that gas in it did again a few weeks later to adjust the float but this time I made sure the tank was empty took me only 1 hr.
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Old 03-14-2011, 05:07 PM
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Thanks. I was planning on getting it as low as possible and then siphoning out anything left.
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Old 03-14-2011, 06:27 PM   #7
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Make sure when you lower it a little to unhook everything on the tank. I missed the little plastic "Y" on the vacuum line and broke the part and it was a trip to Autozone and piecing something together from their parts.
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Old 03-14-2011, 06:30 PM   #8
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Hey... Most Tj gas gauges are off mine is all over the place... I just watch the odometer and have a pretty good idea of when I need gas

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Old 03-15-2011, 06:54 AM   #9
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Quote:
Originally Posted by Jerry Bransford
Yep you need to replace the fuel pump assembly which includes the fuel gauge sender to repair that. The gas tank needs to be dropped to do that which is not a difficult to do job at all.
Agreed, not difficult but best performed with the aid of a helper. There are several videos on YouTube that cover the procedure, all are quite informative and worth watching.
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Old 03-15-2011, 06:59 AM   #10
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Old 03-17-2011, 01:28 PM
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Thanks to all!

Have new fuel pump on its way. Watched video on You tube and I have a Haynes manual that covers the repair realy well. Let you guys know how it goes.

Thanks again,
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Old 03-17-2011, 02:22 PM   #12
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I was expecting to read another thread about the gas gauge going to E too fast.

Might as well do some maintenance on your skid plate while you're at it. bust some rust and paint with some rust prevention paint.
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Old 03-17-2011, 02:38 PM   #13
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isn't the low fuel light triggered from the sender? If the light goes on when he is low on gas, it sounds like the sender is working, but the gauge is broken.
The way I understand it, as the float moves it changes the amount of current sent to the gauge, and when the current hits a certain level, the light goes on.
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Old 04-04-2011, 08:30 PM   #14
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We have two 1997 Jeep wranglers in our family and they BOTH have a problem with gas gauge. They read very random. I think im going to change the fuel pump on one and see if thats going to fix it. Thanks for all the info guys, Let me know how it works our for you man.
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Old 02-09-2013, 09:58 AM   #15
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Recalled

There was a recall on 97 wranglers for this problem alot of jeeps have that problem
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Old 12-23-2014, 09:39 PM   #16
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1997 TJ Fuel Pump Indicate 3/4 Tank when Full

Hey,
First time posting a question to the site, but I have used it numerous times to sort out my new (to me) 97 TJ, 2.5/4l. Could use a fresh perspective.

1. Gas gauge indicates '3/4' tank when I know it's full.

2. I run it until the 'E' light comes on and I can only get 8 gals in the tank before overflow.

3. Replaced the fuel pump about a week ago. Problem persists.

Thoughts?

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