dj30224
New Member
hey i have a 1991 honda civic with a b16a engine in it and my car idles fine for a couple of seconds then it starts to rev up and a down i changed the iacv but with one from a d16a6 manifold and its still doing it is it because i changed it from a d series manifold or could it be something else making it rev up and down any help would be highly appreciated