Should the throttle be cleaned in this situation?

Regarding the question you asked, this information is emission failure, which is related to the experience of electronic throttle. For Peugeot 307, if the vehicle runs in the urban area for a long time, it is best to clean the electronic throttle body every 15000 km, which can be solved after cleaning the throttle body. For this fault, there is no need to clean it up immediately, and there will be no problem in using it in a short time.

See more information about Peugeot 307: /peugeot-307/