1. pribolchen EGR valve to the rear cylinder head on the part of the transmission. The most common cause malfunctions EGR is jammed or oxidation valve EGR. | 2. On the cold engine (not to burn) reach for the EGR valve from the bottom and click on his diaphragm. Aperture must be submitted already at moderate pressing force. |
3. If the aperture begins to move only very strong pressure, or does not give at all, replace the valve EGR. In the absence of confidence in the assessment of valve compare it with a new or known-good. 4. Detailed information on the functioning of the EGR system, see Chapter System motor control. |