running out of fuel - Ford Powerstroke Diesel Forum
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post #1 of 11 Old 08-21-2008, 09:07 PM Thread Starter
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running out of fuel

If i forget to switch tanks and run out of fuel on the front or rear and get air in the lines is that i problem? would i have to bleed the fuel lines or anything along those lines?

1997 7.3 extended cab 8ft.

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Boost, PYRO, Trans temp gauges (auto meter)
33" nittos on stock height
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post #2 of 11 Old 08-21-2008, 09:09 PM
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Nah, just gonna take some time to restart it, and to make it run smooth to clear the lines of the air.

Nick
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post #3 of 11 Old 08-21-2008, 09:33 PM
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It's not good to do several times, but once in a blue moon would be ok. The truck will run really bad for about 30 min. though until the air is out of the line. Just don't risk running your truck that low on fuel.

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post #4 of 11 Old 08-21-2008, 09:35 PM
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What would happen if you run it out often, just wondering. I figure you might run risk of picking up debris from the tank, or maybe burning your pump up.

Nick
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"The Mistress"
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Custom Tuned by Bill@PHP, Tony Wildman@Total Diesel Performance and Lars@Gearhead



D66 w/Dieselsite WW2, Full Force 250/100s, Adrenalin HPOP, Built Trans, Walbro Fuel Pump, S&B Intake, 6" Stacks, Leveling Kit, Eagle Alloy Wheels, 315/75/16 Grabber AT2s & Much More




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post #5 of 11 Old 08-21-2008, 09:43 PM
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The biggest risk in a powerstroke is bottoming the injector pistons in the bore since the fuel acts against the oil pressure as the injector fires. It can lunch the injectors if you do it too much. I think the air also causes cavitation in the injector tips which can erode them.


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post #6 of 11 Old 08-21-2008, 09:44 PM
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gotcha. Thank you!

Nick
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post #7 of 11 Old 08-21-2008, 10:16 PM
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At idle it will just shut you down for a while till you get it to start agian. Usually helps to have a gasoline soaked rag to get it going again.

Now, if you are pulling up a hill with high boost, BAD THINGS could happen. You will still have plenty of air going in, but little or no fuel. That = cutting torch. It will lean out the motor and probably burn through rings, pistons, cylinder bores, valves, turbo, you name it.

Short answer: don't run out of fuel.

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post #8 of 11 Old 08-22-2008, 06:05 AM
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I ran out yesterday.

Had poor throttle response for about .75 miles or so. Another quarter mile and it was like nothing ever happened.

1999.5 F250 at 262,700 miles

I used to actually buy diesel like a sucker. Now I run WMO.
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post #9 of 11 Old 08-22-2008, 06:19 AM
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I think I will just keep mine on the east side of empty easier, and cheaper that a way !!! and GREAT info too! I never knew why it was bad to go dry, but knew it was...

Quote:
Originally Posted by cchase View Post
Do you know what the hardest part of driving a dodge is? Telling your parents that your gay.
Sold the truck to help pay $1.5M in medical bills! Now I have a F150 6cyl that is slower and gets worse mileage
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post #10 of 11 Old 08-22-2008, 02:53 PM
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Quote:
Originally Posted by elibenson View Post
At idle it will just shut you down for a while till you get it to start agian. Usually helps to have a gasoline soaked rag to get it going again.

Now, if you are pulling up a hill with high boost, BAD THINGS could happen. You will still have plenty of air going in, but little or no fuel. That = cutting torch. It will lean out the motor and probably burn through rings, pistons, cylinder bores, valves, turbo, you name it.

Short answer: don't run out of fuel.
You really think it would go that far, though? You'd have to be pretty boneheaded to keep your foot in it after the truck starts stumbling (the first sign of fuel starvation). Then again, some people can be pretty boneheaded. LOL

Like he said, though, it's best just to not run it dry.


2006 F-250 Powerstroke Crew Cab Lariat Long Bed 4x4 FX4

SCT Xcal2 with Xtreme tunes by Innovative

Banks Monster Exhaust/Quadzilla Commander

ARP Head Studs and Elite Sneaky Pipe (Thanks Scuffy)
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