The secondary air system | Part 1: Design, function, components

[@phongnguyen007]

very good video in English! hope more to come

[@motorservicegroup]

Secondary-air system - Design, components, trouble-shooting!
With spark-ignition engines, the greatest pollution occurs on cold starting. Secondary-air systems have been successfully employed to reduce such cold starting emissions.

[@submariner6g]

MORE THUMBS UP!!! FINALLY THS VIDEO CAME OUT!

[@강열-e5o]

thanks!