Dodge Cummins Diesel Forum - View Single Post - DEF fluid gauge accuracy
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post #13 of (permalink) Old 08-22-2019, 08:37 AM
boshog
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When my DEF gauge needle touches the red, I add 2 1/2 gallons which pushes the gauge to full. I don't think the gauge is accurate or linear.


2015 3500 LongHorn CC, 4x4, SRW, CDT, 68RFE
2013 1500 Laramie CC, 4x4, 8 speed
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