16V240ZJB型柴油机在左、右测进水总管并列位置设有回油总管，各缸均有两个塑料管与之相通，外侧的为喷油器回油管，里侧的为喷油泵下体回油管。正常情况下，喷油器回油管应滴少量燃油，喷油泵下体回油管应滴少量燃油与机油的混合油。当回油量不正常时，即可确定柴油机的相应部 16V240ZJB type diesel engine in the left and right of the inlet manifold with the oil return Explorer at the same time, each cylinder has two plastic pipe connected to the outside of the injector back to the oil pipe, the back of the fuel pump body back to the oil pipe. Under normal circumstances, the injector return pipe should be a small amount of fuel drop, the fuel injection pump lower body back to the pipe should be a small amount of fuel and oil mixture. When the oil return is not normal, you can determine the appropriate part of the diesel engine