The fast idle is mechanical and will not kick down until you bump the throttle.
The "2 step" is caused by poor adjustment. It may be opening to slow for the summer air. Lean it 2 or 3 notches. You may have to readjust for the winter.
All this is normal for an "Automatic Choke".
|This message has been edited by mdkallas on Aug 20, 2012 12:52 AM|