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Fuel Level Gauge Gone Bad

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Old 02-08-2018, 08:58 AM
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Fuel Level Gauge Gone Bad

My fuel float has been off ever since I got this truck, it would tell me I was empty when I still had at least 10 gallons of fuel left. Well, now it is just stuck telling me full all the time.

I went by the dealer and asked about replacing it, they said I had to replace the whole lift pump as the gauge was part of the lift pump.

A. Is this accurate?
B. If I need to replace the lift pump, what is better than OEM? I have wanted to do a FASS type system, but that wouldn't fix my fuel gauge problem.
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Old 02-08-2018, 11:31 AM
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The Dealers are good at robbing us without a gun. You can buy a replacement fuel level float assy. from RockAuto for around $75.00, which screws onto your fuel canister, It's plug and play. I have the same issues as you. I also replaced my lift pump five years ago with a Fass DDRP which produces 18-22 psi without fail, to this date. I just need help dropping the fuel tank or lifting the bed. This should not be a big deal. I will never allow the dealer to install a new fuel canister with the electric lift pump in the tank. I hope I have been a help to you, Good luck.
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Old 02-08-2018, 11:46 AM
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That is helpful, thanks.

So, I can replace the level assembly and then add on an external pump to improve performance?
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Old 02-08-2018, 11:56 AM
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I checked Rock Auto and can't find the part. I checked the following parts diagram and couldn't find it either:
https://www.factorychryslerparts.com...category=20311

Does anyone have a part number?
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Old 02-08-2018, 06:38 PM
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Fuel sender

I don't know what truck you have but Rock Auto list this for a 2007 2500 diesel[5.9]......68003469AA
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Old 02-08-2018, 06:40 PM
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Fuel sender

The price was 70.79 and it was a Mopar part
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Old 02-08-2018, 07:29 PM
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Sorry, my truck is in the signature. 2005 3700. Is it safe to assume the 2500 and 3500 have the same part?
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Old 02-08-2018, 07:31 PM
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RockAuto shows that valid for the 2008-2009 3500 and 2007-2009 2500
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Old 02-08-2018, 08:41 PM
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fuel sender

2005 3500 5.9......5143161AA Out of stock right now
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Old 02-09-2018, 12:25 PM
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You can order the fuel sender from RockAuto and they will notify you when they receive their next shipment.
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