If you’ve been behind the wheel long enough, you’ve probably got your own DEF horror story. Maybe it was a sensor going out halfway up a mountain grade, forcing you into limp mode at 5 mph while ...
The American Petroleum Institute (API) has been licensing diesel exhaust fluid (DEF) since 2009, and despite its longtime existence, DEF continues to cause some issues for fleets. “DEF is highly ...
Manufacturers' required DEF derates will soon be less severe. Current equipment may enter limp mode and slow to 5 mph, or stop altogether until a DEF fault is cleared. The EPA's new guidance for ...
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