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1. On the heated-up engine get a zolotnik (it is specified by an arrow). |
2. Idling the heated-up engine put a finger to a zolotnik aperture. Absence of depression specifies in zolotnik or hose pollution. The polluted or damaged hose replace. |
3. Stop the engine and shake a zolotnik. If there is no knock a zolotnik replace. |
4. For replacement disconnect a zolotnik, having remembered its orientation. |