DEF Warning in F350
While on a trip a message popped up "def range 400 miles." When I got home the next day the message was down to 200 miles. I added DEF but the message remains. I'm down to 100 miles and worried that...
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VinnyP wrote:Hi Vinny,
While on a trip a message popped up "def range 400 miles." When I got home the next day the message was down to 200 miles. I added DEF but the message remains. I'm down to 100 miles and worried that the engine will shut itself down if it gets down to 50 or so. If I press the OK button it goes away but comes right back when I start the engine again. Trying to avoid a trip to dealer. Any ideas?
I had the same earlier this year. Mine was the "heating sending unit" that went out. The unit monitors the level and keeps the DEF warm.
It was roughtly $300 with parts/labor at the Ford dealership.
