Dodge Cummins Diesel Forum - View Single Post - DEF fluid gauge accuracy
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post #15 of (permalink) Old 08-22-2019, 01:22 PM
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Originally Posted by kthaxton View Post
This explains how the gauge works and why it is not linear.
Wow, that explains it. Thanks for posting the link.

RAM should have since they are using a non-traditional fluid level detector, either included a paragraph in the owners' manual that says something like the gauge indicates full and only starts to track when the fluid level once it falls to 2 1/2 gallons or used a different notification on the cluster. I guess one could argue no one reads the owners' manual but there are exceptions.

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