Originally Posted by velocity

i see that you said the idle speed control valve didnt move with switching ignition on and off,i dont think this is correct.it should get a pulse initally when you turn the ignition on.get some one to turn on the ignition and then quickly disconnect and reconnect the plug on the valve,you should here and feel a click from the valve body.if not disconnect the plug on the iscv and check for 12v between an earth and one of the recessed pins in the loom plug with the ignition on,it may time out after a few seconds so you may need the engine running to be sure.if that checks out try for continuity in the other recessed plug pin all the way to pin 34 on the ecu main plug connector located behind the glove box (its the lower box the upper red one is the abs control computer).i think you may have a problem with this valve not working and its causing a rich run after you start the car and poor idle when warm and closed throttle