2003 lb7 fuel guage doesn't work! - Chevy and GMC Duramax Diesel Forum

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post #1 of 2 (permalink) Old 01-28-2013, 03:39 PM Thread Starter
 
Join Date: Jan 2013
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Exclamation 2003 lb7 fuel guage doesn't work!

Hey guys, I'm new here so this may have already been discussed but anyways, I just bought a 2003 lb7 Chevy duramax and the fuel gauge stays on empty and does not ever move or bounce and the light is always on, but it never says "fuel level low" or anything. I've been doing some research and I'm wondering if my "stepper," sending unit, or cluster is bad or if it's something else. And as far as the "fuel level low" thing, could previous owner have unhooked a wire or something or will that be fixed once the problem is located and fixed? Thanks in advance.
Also all my other gauges work perfect and I'm not showing any codes or lights on dash. No chip (as far as I know) doesn't act like it has one.
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post #2 of 2 (permalink) Old 01-31-2013, 11:36 AM
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Join Date: Oct 2011
Location: Florence ky
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Angry

most likely your stepper motor. i got 3 out in mine right now

Logan Faehr
07 LMM LTZ|ATP|ADII|5" mbrp|3" downpipe|PCV reroute|S&B intake|All season brace|MA sleeves|Recon|Cognito keys|Bilsteins|20x12s|Toyo MTs| Big Dipper tranny soon to come
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