Explain the urea exhaust fluid!

[RamAirfreak98ss]

How does it work? just like the 08s inject diesel in an extra fuel injector into the DPF?

does this just replace diesel fuel with urea?

What happens if you just say, F that, im not filling up with any urea... does the truck not run, run poorly or shut down?

what happens if you just add diesel into that blue spout?

How much does urea cost? ive NEVER seen it in my life

Will any tuner have mods to disable this urea injection, "leave the full system in tact" on the truck and just disable the injection so you can remove the dpf canister and run a nice large pipe in its place? sorry for so many questions, im a few years away from a 2011 lol

Im probably gonna end up with a 05-08 F550 crew cab for work first, then another 05-09 single cab with just a 10' mason dump and THEN a souped up decked out 2011 in some form that hopefully ill be using so that i can get a lariat with all the fancies to drive around and not let the other guys touch !

[smokersteve]

its different from the fuel, it is a very high pressure spray into the exhaust.

[oasis04]

Urea sounds like you can service it up after a long night with the barley pop.

[RamAirfreak98ss]

Originally Posted by oasis04

Urea sounds like you can service it up after a long night with the barley pop.

yep, sure not a very manly item for a big diesel truck eh!

[First_Ford]

Hopefully this link still works. It is for the International maxxforce I tried to find it again without puting a link to another site but this is all I could come up with. hopefully it helps.
http://www.thedieselgarage.com/forum...1&d=1248211822

[majek5]

The "big trucks" that have urea injection if the tank is dry the truck will go into limp mode. NO POWER! Don't know if the 6.7 will do that too.

[RamAirfreak98ss]

Thanks guys... so it says ammonia/urea is $12 , is that for a gallon?

so how many gallons of $12 urea does it chew up per tank full? sounds worse than having to add the damn diesel additive for $16 for 96oz worth :/

[majek5]

Again, in the big trucks they use approx. 2-3% urea/gal. So that would be 2.5-4 oz./gal. So a 38 gal fill up would use 1 1/4 gal of urea. Not sure on the cost of the urea, but that sounds high, if memory serves correctly.

[neil]

The Ford trucks WILL LIMP if you run out of urea. I asked on the Ford Superduty "chat with an engineer" and directly asked the question to the chief engineer who set up the chat. They didn't directly state this...but dodged and ducked like crazy to explain how many benefits the urea system provided. Of course...the 5th column known as the EPA decided it would be a great addition...not Ford or any other diesel engine builder.

Imagine a perfectly running diesel truck sitting next to 10,000 gallons of fuel...and it won't go. At least I didn't HAVE to buy the fuel additive if I didn't want to.

[joey6.0]

It was explained to me in our shop that it should last between oil changes?