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def level

  1. General 3.0L Discussion
    I am taking my 2020 3.0 to the dealer this week to get the DEF system checked out. Level gauge is slow to recognize newly added DEF and it is going through DEF at an alarming rate... Anyone else having this issue? If so, what’s the fix?
  2. 6.7 Problems Forum (2011-2016)
    Have a 2013 F-250 with an interesting DEF issue. When the level indicates under 1/2 full in message center, I have always topped it off with the Motorcraft Jug and Nozzle, so I know it is full. However, it may take the system up to 20 miles and/or several start and stop cycles to show that the...
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