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Check valve EGR (EGR)
Valve EGR EGR mounted on the intake manifold near the carburetor. In most cases, a fault in the exhaust system due to jamming or corrosion EGR valve. On the cold engine from the bottom out of the EGR valve to manually move the diaphragm. By applying moderate pressure, you have to move the diaphragm up and down within the housing. If the diaphragm does not move or moves only when the application of a large force, replace the valve EGR. If you are not sure of the accuracy of the valve, compare the free movement of your EGR valve with the movement of the new valve.
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