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The increased engine temperature suggested that the coolant temperature sensor was to blame. The fan turned on at temperatures above 100 degrees and cooled to 95. Since the temperature sensor was cheap and prone to giving inaccurate readings, I did not pay attention to it. In general, the Volkswagen Passat B3 is not afraid of high temperatures (the pipes and radiator burst more than once), but I still wanted the car to operate in normal temperature conditions. The information is relevant for many cars of this family (Audi 80, Golf 2-3, Passat B4, Jetta, etc.). I bought a temperature sensor and a fan switch and replaced them. Look what came of it. ???? Friends! Your support is very important! You can help with your ruble here https://www.donationalerts.com/r/andsk64 ????All the tricks and secrets of Volkswagen and Audi repair ???? https://vk.ru/vagguru ????Telegram, where all the answers to questions ????https://t.me/+fMNhVhSfxycwZWYy Zen channel https://zen.yandex.ru/severny Mail: [email protected] If the video helped you and you want to help develop the channel Sberbank card: 4276 1609 2679 5262 Andrey S. Subscribe! Like if the video was useful!