What Exactly Is DEF & What Does The Acronym Stand For?

For most diesel-powered engines, DEF is vital so the vehicle performs at its best. Here's what it is exactly and what the acronym stands for.

Apr 19, 2025 - 22:26
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What Exactly Is DEF & What Does The Acronym Stand For?
For most diesel-powered engines, DEF is vital so the vehicle performs at its best. Here's what it is exactly and what the acronym stands for.