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Bad diesel

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Old Nov 6, 2013 | 04:50 PM
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Bad diesel

Not sure exactly how much I have in the tanks, waiting in batteries to charge to turn the truck on.
Anyway would you recommend dropping the tanks or just cyphoning and put new diesel in and rock it a good bit for a few tries til it's clean?trucks decent amount if rust and has the tank covers.
 
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Old Nov 6, 2013 | 06:17 PM
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You sure you have bad diesel? It takes a long time for diesel to go bad.

We had some in our off road tank that was years old, we finally had a use for it and it worked just fine.
 
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Old Nov 6, 2013 | 06:23 PM
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It just smelled real funny.

On further examination, the rear tank is full. Like I can see it in the neck. It's a greenish/yellow color. Which is normal but it seems a tad but too green to me
 
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Old Nov 6, 2013 | 07:39 PM
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I would put some diesel fuel conditioner in it and fire that puppy up, my diesels only get run for a small amount of time every year and my plow truck is going on its third year since I filled it up and I still have one full tank to burn off this winter.
 
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Old Nov 6, 2013 | 08:14 PM
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I ran about 50gallons of 15 year old fuel through my truck without any problems. I did add a quart of ATF for every 5gallons I put in the tank though.
 
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Old Nov 6, 2013 | 09:05 PM
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So since I can see it in the filler, should I cyphon say five gallons out and out something in it? And then put that diesel in the other tank which is has who knows how much since I haven't gotten new batteries yet?
 
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Old Nov 6, 2013 | 09:16 PM
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Are you sure you are seeing fuel in the filler hose and not water? I have had trucks sit for long periods of time and had melt water from snow actually seep into the tank filler tube. Is there fuel in the other tank to get it started? If so, start if off of that tank and go from there, you should be able to switch tanks and burn some of that off and gauge how things are going to run.

One thing you with probably have to watch out for, is dried up seals and possibly rotten fuel lines, which could introduce particles into the injection system. I would have a couple of fuel filters on hand and check often or pick up one with a glass bowl on the bottom and watch very closely to the build up.
 
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Old Nov 7, 2013 | 05:20 AM
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Do you know a part number of one like that?
And I put a napkin in thre and soaked a little but up and it burned like diesel
 
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Old Nov 7, 2013 | 05:26 AM
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I put a napkin in the filler and it absorbed some of the diesel, then I burned it and it burned like normal diesel does.
 
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Old Nov 7, 2013 | 09:01 AM
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I'd say run it for a few minutes, keep an eye on the WIF light, then open the filter drain a bit. Having sat that long it's pretty well guaranteed to have some water in it, more in the tank with less fuel unless as has been suggested the rear tank is really mostly water.
Maybe get a fuel transfer bulb like they use on boat tanks and draw a few 5gallon cans out of it through the fuel line up by the pump. They sell those squeeze bulb things at Wal-Mart for under $10, and you can just dump the fuel back in once you verify there isn't water in it.
If you disconnect the main engine connector, a single car battery will run the chassis electrical so you can see your fuel levels and operate the tank selector valve.
 
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Old Nov 7, 2013 | 10:51 AM
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I ave also heard that diesel takes a good long while to go bad.

My buddy recently pulled a powerstroke out of the weeds after 5 years of sitting. Runs like a top after an oil change, even with the 5 year old fuel that its being fed.
 
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Old Nov 7, 2013 | 12:47 PM
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I bought a box truck with yellow diesel in it, that's how long ago it was put in there!
It ran fine. I'd just watch for water, like everyone says.
 
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