Practical information

AdBlue additive and SCR system for BlueHDi diesel engines

~1min read

To protect the environment and ensure compliance with the new Euro 6 standard, without reducing performance or increasing fuel consumption of diesel engines, CITROËN has equipped its vehicles with a device that combines an SCR (Selective Catalytic Reduction) system with a particulate filter (FAP) to clean the exhaust gases.

Test yourself

A quick Citroen DS3 quiz: every answer comes with an explanation and a link to the manual page.