see what i have done is i have taken a d16y8 head and put it on a d15y8 block and i have no clue were my egr valve i need some good detail thanks for all your support it is much appriciated
don't know what year your civic is. usually the EGR is located on the passenger side front of the head. it usually has a black connector on top of the brass dome of the valve. iit should be at the very right (passenger side) front of the head.