Duramax Diesels Forum Truck of the Week
  #16  
Old 02-23-2017, 09:25 PM
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Yep, logging on a piece of paper works too. In fact that is how I do it
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2008 Chevrolet 3500HD DRW LTZ
285/75/17 Nitto Dura Grapplers, 4.56 gears, Front and rear ARB lockers, Efi Live tuning by me, Raptor 160 LP, Cognito 4-6 NTB Lift, 4" Exhaust, Built Trans by Mike L.

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  #17  
Old 02-24-2017, 06:02 AM
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My 08 dually was like this. I put a used sending unit in it that was the exact same way. Kind of ridiculous to have a 34 gallon tank that says your empty when you have 10+ gallons left.
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  #18  
Old 02-24-2017, 09:51 AM
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On my 08, I used a AutoMeter 3262 Universal Fuel Level Sender and rescaled it in efi live so the gauge was more lenear. It is just a sender so I left the origanal fuel pickup in place.
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2008 Chevrolet 3500HD DRW LTZ
285/75/17 Nitto Dura Grapplers, 4.56 gears, Front and rear ARB lockers, Efi Live tuning by me, Raptor 160 LP, Cognito 4-6 NTB Lift, 4" Exhaust, Built Trans by Mike L.

2006 BRM Jetta TDI. Injectors, turbo, Malone custom tuning on ecm and tcm
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  #19  
Old 01-25-2018, 07:01 AM
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I just purchased an LBZ with the same issue. It reads empty but I can only get 15 gallons in it.
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  #20  
Old 01-25-2018, 09:50 PM
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Mine is the same, I just go off of fuel used, it's more accurate than fuel gauge.
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  #21  
Old 01-26-2018, 06:16 AM
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Quote:
Originally Posted by HWI View Post
Mine is the same, I just go off of fuel used, it's more accurate than fuel gauge.


Makes me nervous... lol. How many miles do you get on a tank? According to the truck im averaging 18. Which is way more than I expected. Not sure if that is accurate
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  #22  
Old 01-26-2018, 09:44 AM
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I finally just switched out my fuel level Sensor a few weeks ago. I got tired of my wife telling me Iím almost out of fuel when I know thereís at least 10 gallons after it hits E.


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  #23  
Old 01-26-2018, 10:22 PM
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Quote:
Originally Posted by Dozerboy View Post
I finally just switched out my fuel level Sensor a few weeks ago. I got tired of my wife telling me Iím almost out of fuel when I know thereís at least 10 gallons after it hits E.


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So did that fix it?
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  #24  
Old 01-27-2018, 06:29 AM
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Yes, but I knew it had been the issue for years from troubleshooting it. GM has pretty wide spread issues with the fuel level sensors. So it's even a good bet if you don't troubleshoot it. It could be wiring or even a cluster problem which are uncommon on LBZs. Just so you know most of the time GMs fuel gauges hit E when you have 4-6 gal left in the tank. So your not going to see a big change but it does ease your mind some.

The past few years I just knew I can go another 200 miles after I hit E. Unless I'm towing that is.

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  #25  
Old 01-28-2018, 09:00 AM
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I had the same issue. Was able to drive about 200 miles before needing to fill up after the light came on

But for me, the motivation came from running out of fuel "thinking" I still had a little bit more left in her, "I can make it..." I was using the fuel used meter and ran out several times.

200 miles leaves a lot of room for error. Headwind, tailwind, up hill, down hill, hauling or not, weather, etc. The gallons used can be pretty accurate but even if off by one gallon that could be 40 miles or more, 20 miles over or 20 miles under???
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2008 Chevrolet 3500HD DRW LTZ
285/75/17 Nitto Dura Grapplers, 4.56 gears, Front and rear ARB lockers, Efi Live tuning by me, Raptor 160 LP, Cognito 4-6 NTB Lift, 4" Exhaust, Built Trans by Mike L.

2006 BRM Jetta TDI. Injectors, turbo, Malone custom tuning on ecm and tcm
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  #26  
Old 01-28-2018, 09:22 AM
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I don't trust the DIC for nothing often it's about 2gal off, but can be way off when driving harder.

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