摘要 |
An EGR coolant control system according to an exemplary embodiment of the present invention may include a coolant exhaust pipe connected with the coolant supply pipe, an EGR coolant supply pipe connected with the coolant supply pipe and the coolant exhaust pipe, a coolant control plate that is disposed in a junction portion of the coolant supply pipe, the coolant exhaust pipe, and the EGR coolant supply pipe, and that controls supply of a coolant, and an actuator controlling the coolant control plate according to in engine rotation speed. |