Another DEF question.

Discussion in 'General Discussions' started by Leebo, Jul 8, 2017.

  1. Leebo

    Leebo Junior Member

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    6.7 diesel
    I bought a 2013 Ram Laramie longhorn 6.7 diesel dually used with 50332 miles. I love this truck. Since buying it ( about 2.5 months) I have put just over 3000 miles on it. I don't pull anything right now. The DEF gauge has not moved off full since the day I brought it home.
    This cant be normal can it? Anyone have thoughts on this or am I just looking for trouble?
     
  2. crash68

    crash68 Senior Member

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    The CTD doesn't use much DEF when not towing, your probably fine if you haven't thrown any codes. Normal DEF usage is about 1-2% of the amount of fuel burned.
    The DEF tank sending unit isn't very linear either, the top and bottom of the tank moves slower than the middle. It's not a float either, uses an ultrasonic detection of the fluid level.
     
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  3. Leebo

    Leebo Junior Member

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    Thanks

    Thanks Crash. I think I will keep some DEF on hand just to be on the safe side.
    I appreciate your time.
    Leebo
     
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