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1. The EGR valve приболчен to a back head of cylinders from transmission. The most widespread reason of violations of functioning of system of a retsirkulyatsiya of the fulfilled gases is jamming or EGR valve oxidation.
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2. On the cold engine (not to burn) reach the EGR valve from below and press its diaphragm. The diaphragm should move already at moderate effort of pressing. |
3. If the diaphragm starts to move only very strong pressing, or does not give in at all, replace the EGR valve. In the absence of confidence of an assessment of a condition of the valve compare it with new, or obviously serviceable.
4. Detailed information on functioning of EGR system is provided in Head of the Control system by the engine. |