206 Diesel running late when hot

Greetings to everyone first. I became a new member of the forum. The vehicle is not a relative of mine, but I am interested in it is usually over 1 and a half years since I bought the vehicle. 1.4 diesel 385 thousand. During the period of ownership, it did not cause any malfunction except maintenance, but there are minor problems. Occasionally it runs late when the car is hot, but this does not always happen. On the long road, the temperature does not exceed 70. It travels around 100 degrees in congested traffic. Is this normal? thanks to everyone in advance

Hello. It is normal for Hararet to watch the 70s on the long road. But in heavy traffic, it is necessary to come to 100 and then turn on the fan and reach 70 levels again. It must continue in such a cycle. Vehicle mileage is excessive. Maybe the temperature sensor has connected lime etc. and it feels wrong. There are many reasons for late work. Especially if he does it occasionally, the solution seems difficult. Usually when they go to the master, these merets :)