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Watch me on VK video https://vk.com/club227572671 link to my channel in Zen https://dzen.ru/id/61b7af0f6f125d4012... link to my Rutube channel https://rutube.ru/channel/19312924 link to my channel Platform https://plvideo.ru/channel/LhfDpWSuCKWk A KIA Sportage 3 car arrived for diagnostics and repairs with complaints from the owner that with the onset of cold weather it starts poorly, you have to turn the starter for a long time. After starting, the engine shakes, runs unstably, unevenly and smokes very heavily. Suspicion of a fault in the glow plug system of a diesel engine, the pre-heating system. Diagnostics using the Launch X431, Thinkdiag, Kingbolen, Diagzone, Ediag, Thinkcar, Mucar, Launch, Ediag, Kingbolen, Diagzone scanner showed the presence of errors in the engine control unit associated with glow plugs, namely error number p0684 glow plug control module communication circuit with PCM performance range. What you need to look at and check in this case. During a visual inspection, it was revealed that the power wire from the common bus of the glow plug bar had burned out. Moreover, the error was not removable. How to restore the glow plug bus and wire. After repairs, the errors were removed and the car started up with half a kick.