Def fill? 2100 miles?

[Chuzzlewit]

I just rolled over 9000 miles and I’m at 19.2 miles to the gallon. And now my DEF has definitely slow down it’s usage

Awesome.

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[JD721]

Not to beat a dead thread... but my 21 had the same issue for the first 15k miles. Now as I pass the 20k mark it's slowed way down, likely closer to the 7500+ miles for 5 gal DEF. I had the same thing happen early on, 3k miles, warning... now it seems in line with possibly getting to 10k per 5 gal tank of DEF. Lots of break in I guess.

 

[Jefe1018]

I’ve got 10,000 miles on the clock and I’ve filled it up four times with 2.5 gallon jugs (I’ve filled it when it marked about 50%), so I’m getting roughly 5,000 miles per tank.

 

[Rusty PW]

I’ve got 10,000 miles on the clock and I’ve filled it up four times with 2.5 gallon jugs (I’ve filled it when it marked about 50%), so I’m getting roughly 5,000 miles per tank.

That's about what I figure I'm getting.

 

[@californiajeeping]

That's about what I figure I'm getting.

I am also getting approximately 3000 miles per 2.5 gallons or around 6-7k miles for a full tank.

 

[Trout Safari]

Since you are diesel guys here, how often have you had to drain the filter?

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