Is the 20 18 Peugeot 408 1.6t intake manifold defective?

According to today's headline query, the design of the 20 18 Peugeot 408, 1.6T intake manifold is defective, and the oil and gas residues cannot be discharged and accumulated at the throttle. The oil residue in the throttle valve is serious, and the oil residue accumulates and leaks into the throttle valve, resulting in the engine fault light.

20 18 Peugeot 2008 is equipped with 1.6L naturally aspirated engine and 1.2T three-cylinder turbocharged engine. The gearbox is matched with a 5-speed manual gearbox and a 6-speed automatic manual gearbox.