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My fuel gauge has never worked right with 10 gallons left the low fuel light comes on. Now its coming on with 16 gallons left. I have always reset fuel used when I fill up. What part do I need to fix this?
 

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2009 Chevy LMM
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16,207 Posts
I would look at the float assembly
 

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Did you get anywhere with this? Mine is slowly starting to do the same. Light pops on around 14.5-15.5 gal used. Very annoying. Wondering whats the least painful method of testing/changing the float assembly. Lift bed or drop tank?
 

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Dookiemax, just curious what did you do? Did you fix your fuel gauge issues?
Not yet. I just run it until the DIC says I've consumed around 20-21 gal and I've driven at least 350 miles. Filling up usually nets around 22-23.5 gallons depending on loaded/unloaded weight. I'll probably hold off on taking the truck down until I've got a decent amount of work lined up. It will be needing brakes all around in 5-6k miles along with a trans service, filters and a few mounts. Might do it then. Ill update if/when I get around to doing it.
 
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