The egr should not have anything to do with it not running. Are you getting the fuel to your injectors the way you are supposed to? Did you remove the fuel injection pump? How bout the glow plugs - are they the same as the old motor? Did you use the same gp relay? Are you getting power to your glow plugs. When I first started mine after the rebuild I found the gp relay was inoperative.

__________________
Jim