Is this true??
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New User
Joined: Sep 2009
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From: Rochester, Pa
Is this true??
Was looking at 2011 Ford trucks. Was telling the salesman about the expense of maintaining a Diesel engine. He said it's worse on these 2011 Diesel's. Said there's a tank on top of the fuel tank that needs refilled each oil change. Some kind of liquid that mixes with the Diesel fuel. Pricey!!
Anyone know about this??
Anyone know about this??
Elder User
Joined: Apr 2010
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The fuel economy savings by using the DEF (liquid) over using a full EGR will save you a few dollars every oil change.
There is something like 1.5-2MPG to be gained by using the DEF. So just figure that out over time what you would save and figure around $20 to fill the DEF tank every 7500miles.
There is something like 1.5-2MPG to be gained by using the DEF. So just figure that out over time what you would save and figure around $20 to fill the DEF tank every 7500miles.
Elder User
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Diesel exhaust fluid.
Its around $3 a gallon. And being most newer diesels even some large semis are going to be using it (with some being over 50gallons on board) Some of the bigger gas stations by highways are going to put it in a pump like fuel. Which could bring price down more.
Its around $3 a gallon. And being most newer diesels even some large semis are going to be using it (with some being over 50gallons on board) Some of the bigger gas stations by highways are going to put it in a pump like fuel. Which could bring price down more.
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Also it doesnt mix with the fuel. Its a seperate tank and its sprayed into the exhaust after the turbo and it converts the bad stuff to not as bad stuff. Forgot what exactly it turns it into. You can read alot if you search for DEF
Senior User
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DEF: How it works in the 6.7L
A good primer on Diesel Exhaust Fluid and how it works from Ford:
http://media.ford.com/images/10031/S...rtreatment.pdf
http://media.ford.com/images/10031/S...rtreatment.pdf
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From: Apopka, FL
That is the simplest of terms...
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