2015 6.7 DEF Warning
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Junior User
Joined: Mar 2015
Posts: 92
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From: South Central Virginia
2015 6.7 DEF Warning
Had the DEF 500 mile warning come on last week. Second time for this. First time early on when it was new. Put a 2 1/2 gal. container of Blue DEF then and all was well. This time I did the same thing but keep getting the 500 mile warning afterwards. Cancelled the warning a couple of times , and now I am getting a warning that I have 378 miles left on the DEF fluid remaining.
Its like the truck didn't recognize me adding the 2 1/2 gal. Anyone hear of this before ? Also the check eng. light is on now. Thinking thats related. 7,000 mile on truck
Its like the truck didn't recognize me adding the 2 1/2 gal. Anyone hear of this before ? Also the check eng. light is on now. Thinking thats related. 7,000 mile on truck
Cargo Master
Joined: Jan 2015
Posts: 2,824
Likes: 39
From: Boise
Had the DEF 500 mile warning come on last week. Second time for this. First time early on when it was new. Put a 2 1/2 gal. container of Blue DEF then and all was well. This time I did the same thing but keep getting the 500 mile warning afterwards. Cancelled the warning a couple of times , and now I am getting a warning that I have 378 miles left on the DEF fluid remaining.
Its like the truck didn't recognize me adding the 2 1/2 gal. Anyone hear of this before ? Also the check eng. light is on now. Thinking thats related. 7,000 mile on truck
Its like the truck didn't recognize me adding the 2 1/2 gal. Anyone hear of this before ? Also the check eng. light is on now. Thinking thats related. 7,000 mile on truck
So next time, you have to dump 2-2.5 DEF's in, then have the last little bit splash all over the ground and your feet. I chalked it up as just another annoying modern diesel issue.
Cargo Master
Joined: Feb 2015
Posts: 2,338
Likes: 255
From: Livermore Ca.
i had to reset the DEF once in the information center. It is just like resetting the oil when you change it. To avoid spilling DEF on the ground go to the dealer and get the Ford DEF filler tube. it's better than the one that comes with the box. The Ford one snaps into the DEF fill hole. If I do spill DEF on my truck I wash it off as soon as I can. That stuff is nasty.
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Junior User
Joined: Mar 2015
Posts: 92
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From: South Central Virginia
Picked up another 2 1/2 container of Blue DEF and managed to stuff most of it in, maybe 2 gal.. Stopped before I made a mess. I had to cycle the key twice before the Low Def warning
went away. Didn't wait any longer this time to add the same amount as the last time , when the warning first came on.
So, if the DEF tank capacity is 5 gal. I can add 4 1/2 gal. 100 miles after I see the first 500 mile warning. I will look into the Ford fill tube that some of you say eliminates spills.
Thanks
went away. Didn't wait any longer this time to add the same amount as the last time , when the warning first came on.
So, if the DEF tank capacity is 5 gal. I can add 4 1/2 gal. 100 miles after I see the first 500 mile warning. I will look into the Ford fill tube that some of you say eliminates spills.
Thanks
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superdutyon37s
6.7L Power Stroke Diesel
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Apr 9, 2014 05:28 AM
