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Old 11-04-2009, 12:03 AM
350scott 350scott is offline
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Default What's wrong with my '06 Cummins? fuel related

I have a 2006 Dodge 2500 that has about 70k miles on it and I've been having this problem since at least 30K, maybe before that. My truck always dies when the fuel gauge gets down to 3/8 of a tank. It cranks like it has no fuel, but will eventually start back up. It also has no power, spits and sputters and cuts out and smokes really bad. Above 3/8 of a tank of fuel has no probelms at all though.
The local dodge service department says that the fuel is contaminated, but I can hardly believe that because it only ever happens at 3/8 or less, never with more fuel in the tank. And I had the tank dropped and cleaned at the 30K mark and it did not solve the problem but I couldn't get the truck back into the shop right away for them to fix.
It has had the fuel filter replaced multiple times and a fuel injection flush and these have resolved nothing.
Any thoughts on what the problem might be?
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Last edited by 350scott; 11-04-2009 at 12:06 AM.
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  #2  
Old 11-04-2009, 08:58 AM
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fascistfaction fascistfaction is offline
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Welcome to the site. I will move this thread to the Cummings diesel section,
FF
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  #3  
Old 11-04-2009, 10:27 AM
BrianSudokhoi02 BrianSudokhoi02 is offline
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When you fuel up at 3/8 of a tank, how many gallons are you putting in? Your truck has a 34 gallon tank. There have been a few problems with the fuel level sender being out of adjustment or broke.
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Old 11-04-2009, 05:18 PM
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I'm going to say it's one of two things......

1 - As Brian said, the fuel level sender is broke or
2 - The pick-up line is cracked and it's sucking air when the fuel gets below that level.
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Old 11-04-2009, 08:49 PM
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I'll go with A and B!!!
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Old 11-05-2009, 11:39 PM
350scott 350scott is offline
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thank you guys for the help i will drop the tank and see if the line is cracked

thanks so very much
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  #7  
Old 11-05-2009, 11:40 PM
350scott 350scott is offline
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thanks for the help
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