Trucking & LogisticsVehicle Mechanical Issues
Unexplained high DEF consumption and potential fuel efficiency loss in a 2024 Cascadia, suspected 20-gallon DEF tank only half-full after 596 miles, replacing CAC previously caused similar issue.
0
Opp. Score
51
Reports
1
Severity
3Medium
Trend
100%
rising
First Seen
May 20, 2026
Solutions (0)
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