There are always tips to solve the carbon deposition of 408 engine. What's going on here?

There are two common reasons for this failure:

1. Vehicles often drive at a low speed, and the engine burns insufficiently, resulting in carbon deposition on the engine;

2. Poor fuel quality will lead to abnormal engine operation.

It is recommended to go to Dongfeng Peugeot to check the engine system and confirm the cause of the failure. For faults caused by engine carbon deposit or poor fuel quality, clean the engine throttle and intake manifold carbon deposit according to the carbon deposit situation, replace qualified fuel, and use fuel additives approved by Dongfeng Peugeot.