1974 Dart

Your EGR valve is fully plugged and is already acting as a block-off plate. You coulda tested it before you pulled it off and known that.
i thought about that way after the fact. just unsure of what im looking for. ive been reading the 3000 page Chrysler service manual. I feel like im chasing my tail and missing something dumb. I need to yank anything emissions related and dumb it down.