Im in the process of putting a zetec engine in my mk4 escort estate ive started plugging it all in but ive got something missing off the back of the inlet manifold ive got a threaded hole but im not sure what goes in it so i cant order myself up a new one



The hole in question is just about level with the "E" in the EFI but on the back of the manifold please some one tell me what it does cheers
mark