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Low Fuel Light

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Old Aug 24, 2022 | 01:13 PM
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Default Low Fuel Light

I have the 35 gal tank and just filled it and my low fuel light is on. What causes this and how do i correct it?
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Old Aug 24, 2022 | 01:31 PM
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would help to have some details on your truck but sounds like it would have to be something in the sending unit circuit
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Old Aug 24, 2022 | 01:43 PM
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Originally Posted by dsg2003mach1
would help to have some details on your truck but sounds like it would have to be something in the sending unit circuit
2017 xlt 3.5l
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Old Aug 24, 2022 | 03:12 PM
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Originally Posted by Liberty_2A
I have the 35 gal tank and just filled it and my low fuel light is on. What causes this and how do i correct it?
Is gauge reading correct/full? And have you driven much, and turned it on and off, since this occurred ?
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Old Aug 24, 2022 | 04:07 PM
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Originally Posted by Liberty_2A
2017 xlt 3.5l
You should put ALL the truck's details & history (as much as you know) into your signature so it shows with each post, as this page explains:

(click this text)


Phone apps don't always show signatures, so you may need to switch to a real browser in desktop mode on your phone, or just use a desktop/laptop computer. Put your location in your profile & upload an avatar of the truck. The more pics you post of the truck, engine, wiring, labels, & undercarriage, the more likely we can help you.
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Old Aug 24, 2022 | 07:24 PM
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I have a similar question to above about restarting.

I think if the warning is on and you fuel the vehicle while it is running, the computer may not be immediately satisfied until the key is shut off.


I 'ran out of gas' once while parked on a hill. It took a minute or more (if I remember correctly) for the DTE, fuel gauge and warnings to go away once it was in my garage and level. Yes, I ran out of gas in my driveway from parking it facing downhill. It took 8 gallons of fuel before it would start.... then it finally showed nearly 1/2 tank (since I already had several gallons in the tank.

I came home the night before with 80 DTE. Once I parked in the garage after 3 tips to the corner gas station with a can, the DTE finally jumped up to something like 128 DTE. It's been 2.5 year since so that number may be off a little. The point is that it took time for the computer to adjust.

Please follow up if you still have a light after returning to the vehicle and turning on the key. We assume you never shut the truck off, drove home and created an account here.
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