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That's why I filmed everything for a long time, but such a video would have helped me understand everything before starting work. So, oil consumption and smoke from the pipe in clouds is not a death sentence! We check the compression if everything is even and there are no cylinders with low compression, then the problem is not in the piston (in the sense of cracks). A malfunction of the VCG system leads to increased pressure in the crankcase, which squeezes oil out through the seals and the VCG valve, the oil from which presses air into the low-pressure intake pipe (before the turbine), then the oil fills the intercooler and flies into the intake manifold. Replacing the mushroom valve and the VCG tube did not lead to a positive result, since the reason was in the valve cover. After replacing it, the situation improved dramatically, but not completely. More details in the next video. If you do not eliminate the oil in the intake, then soon there will be cracks in the partitions. Increased pressure in the crankcase can also be due to wear of the rings or their sticking. If decoking does not help, then you need to open the engine. Part numbers: VKG tube 25193343 - 2191 RUB. Valve cover 25198877 - 7,917 RUB. Valve (mushroom bypass) 90498464 - 545 RUB. Spark plugs 0242240707 - 2376 RUB.