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1. Valve EGR usually is located on the inlet pipeline. The majority of refusals of system recycling appears is connected with залипанием or damage of the given valve. |
2. Muffle the engine and wait its full cooling. Having reached through an aperture in the valve, a finger press on its diaphragm, - at moderate effort the diaphragm should cave in considerably. |
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3. If the diaphragm does not cave in, or appreciable resistance shows, it is necessary to replace valve EGR. In case of absence of confidence of results of check compare the valve with new, or obviously serviceable.
4. The detailed description of a design and a principle of functioning of system EGR is resulted in the Head of the Control system by the engine. |
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