I have a 1993 miata with a 1994 1.8 motor swap. I am using the 1.6 throttle body and air intake tubing. Been swapped for about a year now. Here is my new issue
My miata started acting up today. After driving awhile I stopped at a light and car died. Idle really low. I had ac off. Soon as I turned ac on it would idle at 1000 rpm but soon as I turned it off it would drop as low as 200 and sometimes die. Anyone have a clue. I read some on iac valve but no clue on how to clean .