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Level 5 · Advanced Diagnostics

SCR / AdBlue

NOx reduction, urea quality and SCR faults.

1 Lessons 11 min

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1 SCR and AdBlue Basics expert

How selective catalytic reduction cuts NOx, and the faults that follow bad urea or a failed dosing system.

11 min
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Module quiz

4 Questions · Pass mark: 75%

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