Quote Originally Posted by kreep
I checked all the hoses going to it and the electrical going to it and everything was fine so I disconected the neg. side of the batt. for a few minutes yo erase the check engine light and I ran it up the road and it hasnt come back on. Do I need to replace it? Also the idle control system? Is that all that the idle control system consists of? the Idle air controller or is there more?
did you check it with a multi meter? to specs?

if disconnected the battery -check engine light off- and if it doesnt come back then your good but if it comes back on after 50-100 miles then you have to diagnos it