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the sending unit is nothing more than a float in the gas tank. Check in the trunk first and see if you can access the sender from there. you will have to pull the carpet up. If you can,you should be able to disconect the electical plug-in sending info the the gauge. try that. It can only be the sending unit or the gauge itself. I would start by pulling the power to each one.

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8y ago
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16y ago

The fuel guage is inside the gas tank so you MUST drop the tank; then it could be it's just sticking or it has broken off. No way to fix it without dropin the gas tank.

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15y ago

I would suspect the sending unit in the gas tank is at fault.

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Q: How do you fix the gas gauge in a 1998 Jeep Grand Cherokee was stuck on full now on empty?
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