Faulty fuel reading - Diesel Bombers



24 Valve 2nd Gen Dodge Cummins 98.5-02 Discussion of 24 Valve 5.9 Liter Dodge Cummins Diesels with VP44 Injection Pumps
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Old 07-26-2011, 10:09 PM
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Default Faulty fuel reading

I've got an 02 Dodge with the 1/4 tank faulty reading. (empty)
So is it the sending unit? The gauge?
What can I do to fix it?
Thanks
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Old 07-26-2011, 10:52 PM
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Default Faulty fuel reading

Mine did that to and it just started... It got to 7/8 a tank and died... Dident even turn on the gas light
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Old 07-26-2011, 10:53 PM
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Default Faulty fuel reading

And it's a 2001
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Old 07-26-2011, 10:53 PM
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Most likely the sending unit. To my knowledge, they are not repairable.
To replace it, I suggest lifting the bed off, it is much easier then dropping the tank. Depending on the modifications to your truck, future modifications, and lift pump type, I suggest this as a replacement:

Modified liberty fuel module
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Old 07-26-2011, 11:10 PM
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Does it have a drawstraw from vulcan performance in it? I know with some of them you can still have 1/4 tank but not getting any fuel to engine
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Old 07-26-2011, 11:20 PM
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That one does, its ready to go.

"We take a brand new Liberty module unit, modify it and install our 1/2" DrawStraw™ system. "

If mine ever fails, it's what I will get.
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Old 07-26-2011, 11:37 PM
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Default Faulty fuel reading

I got to save some money before I can do this might as well wait and just get this and the airdog at the same time
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Old 07-27-2011, 11:46 AM
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The same thing recently happened to mine. My first thought was the lift pump went (Truck died at 65mph the day after i bought it). Had an Airdog 100 installed (no draw straw) Died again at 1/4 tank. Put 7-8 gallons in it, purged lines, went to get fuel, it still took 25 gallons. it was completely empty at 1/4 tank on gauge. I plan on ordering The Vulcan module ASAP. Until then i will be filling up at half a tank.
BTW- Thanks for your help on that RAW
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