Quote Originally Posted by BK3 View Post
The throttle body is more complex than you think. It contains several air passages for idle air flow, contains the IAC, and throttle position sensor.
If any of the passages are clogged or nearly so, idle can be effected, along with performance. Google "Cleaning throttle body" for more information.
Okay, throttle body is cleaned, no effect. Also I have replaced the ignition control module, and coil, and no effect. Any other ideas?