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Old Mar 6, 2025 | 01:42 PM
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Default Fuel Gauge Issues

Hello,

Recently, I turned on my 95 Eddie Bauer (5.0 V8 302) and noticed that the fuel gauge was way past full to the right.

I did some research and found that it more than likely would be a bad Fuel Sending Unit.

When I plugged back in the wiring, the gauge now went way past empty.

Checked the cluster and found no issues.

Are there any recommendations?

Thank you in advance.
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Old Mar 6, 2025 | 10:32 PM
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Is it a dual tank truck? If so, is the issue present with both tanks?
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Old Mar 6, 2025 | 10:51 PM
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Originally Posted by Shagg
Is it a dual tank truck? If so, is the issue present with both tanks?
No, it’s a single tank.
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Old Mar 7, 2025 | 06:39 AM
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An open circuit either with the sending unit (dead spot) or its wiring will send your gauge past the full mark to its mechanical limit. A sticking or heavy float can five a false empty reading. Either way, you may have to lower the tank or slide the bed to give you access to the tank's top.

I have been dealing with a dead spot with one of my tanks for many years. When the fuel level is from 3/4 to 1/2. my gauge will be pegged past full. It works fine on either side of 3/4 and 1/2. I just haven't felt like dropping the tank to fix it.

Last edited by raski; Mar 7, 2025 at 06:44 AM.
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Old Mar 7, 2025 | 11:40 AM
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Got it, thank you. But what would would it be if it went from that past full mark to now at the empty mark?

- Originally was way past full, replaced the fuel sending unit and when connected again, it was now at empty.

I'll drop the tank this weekend and check it out.
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