Peugeot 5o8 sometimes can't add oil. What happened?

Hello, this is usually due to poor ignition of the ignition coil, which may be caused by poor ignition of the spark plug. This is a common problem of Peugeot cars. I suggest you go to the repair shop or 4s shop for computer diagnosis and maintenance. If there is something wrong with the car, ask the car master. 4S shop professional technician, 10 minutes to solve.