I have a 2000 ford f-350 with a 7.3 diesel?

Question:
when it gets down to 1/2 a tank it starts running rough, smoking, and has no power. when it has more than 1/2 a tank of fuel it runs fine.

Answers:

replaceing dexcool anti freeze with ethyleen glycol extended life.?

That's weird. Could be a hole in the pickup tube. When the fuel drops below 1/2 it starts sucking air.

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How much would it cost to repair a dent like this on a lexus ? It is also pearl white paint on the car?

.fuel pick-up in tank or contaminated fuel.

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can an automatic car wash deluxe wash (under car wash) damage optispark distributer in a Lt1 94 trans am?

I'm sorry.

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How do I loosen old adhesive?

Has this problem always been present? When did you last change you fuel filters? have you had your fuel system checked for pressure and volume? Start small

What can be done for a transmission that is slipping?

BUY AMERICAN! SUPPORT YOUR OWN

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1991 gmc pickup, 350 with a carb..where is the choke?

Why does a Honda represent European engineering?

how to replace a rear hatch window?

Stupid clip isn't worth a dime.

how can I get the bolts of my 2001 mitsubishi mirage mass airflow sensor?

When imports start selling trucks that will hold more than 3 geraniums and 1 40lb bag of top soil, maybe we will talk.

Would taking out my in-dash cd player affect my car?

Ok, sorry for the rant.

What is it when one of the car wheels feels like it is about to fall off, but it looks fine and its not flat?

The only thing that would cause it to run rough based on the fuel level is a hole in the pickup. I would start with air and fuel filters.

all answers are much appreaciated..but no one seems to understand my concept...?

Is the check engine light on?

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How do I remove the headlight of a Vauxhall Corsa (X reg, 2000)?

drain your tank and have it cleaned,sound like you or a previous owner ( if any ) has gotten crud into the fuel tank,when it gets to this level it start sucking the junk into the fuel system.while at it, check the condition of your filter to make sure no other crud is in the system. btw all the foreign diesels are junk, and you tube is about as accurate as weekly world news.for those who dont know the chev duramax is made by isuzu,and isuzu has the worst reliability in the commercial market

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