4cylmaniac
New Member
Hi guys, I have a 1991 Honda Civic Si hatchback with a D16A6 motor in it and a standard 5 speed manual transmission, and the car is idleing at maybe 150-200rpm at first start up when the engine is cold , I checked the fast idle motor and it has power to it and seems to be fine, but i havent checked the Idle Air control motor yet, car has been sitting for about 7 years and I did change the oil right away when I got it and just changed the spark plugs and its still idleing that low, has anyone else encountered this problem or know where to start looking? is there also an adjustment screw on the throttle body like the EG, EKs, etc.?