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In this video I will tell you about installation of Mazda coolant temperature sensor DTOZH on single injection Audi 80 b3 motronic 1.2.1. Such modification will also work perfectly on all other cars equipped with single injection monojetronic and monomotronic (passat b3, passat b4, golf, etc.). Important additions that I did not mention in this video: 1. The connector for the new sensor must be soldered to the standard wiring, otherwise, with further operation and oxidation of the twist, you will get distorted sensor readings and increased consumption. 2. On Mazdas for the ECU there are two types of temperature sensors - low-resistance and high-resistance. When buying from a dismantler, be sure to measure the resistance of the sensor (preferably at room temperature) the correct sensor has a resistance of 2.2-2.5 kOhm at 20 degrees Celsius. Useful information: Link to the first series about the coolant temperature sensor (why it is needed, how to check it, how the ECU uses it to calculate the mixture): • 6. Single injection. Coolant temperature sensor, warm-up theory... Playlist dedicated to the theory of operation and repair of single injection: • All about Single injection, adjustment and repair Also in our store you can order a contactless TPS for single injection http://shop.pilotpowersupply.com/prod... Instagram / pilot.engineering VK https://vk.com/pilotengineering Drive2 https://www.drive2.ru/r/audi/80/52357...