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Message: <blockquote data-quote="ryclef331" data-source="post: 7418" data-attributes="member: 8067"><p>Your hanging idle is caused by your Idle Air Control Valve not responding quickly enough. Either is old and worn out, dirty, or just can't keep up. You have an adjustment screw that you can use to play with the idle. In makes it lower, out bring is up. I've seen people unplug their IAC and then open the screw until the car runs. Plug the IAC back in and bam...it works. You can try cleaning out the IAC...its on the side of the throttle body next to the TPS sensor. Its the bigger of the two black components. I would NOT reccomend using the allen key on the side of the throttle body to hold the throttle blade open so the car idles. This is NOT idle...thats part throttle.  I've seen it work but I wouldn't do it on my car. The TPS isn't reading idle therefore you're just tricking the system. People say the 94-95 ECU "compensates" for it. If you have a shitty TPS sensor that is reading 2.34V at closed throttle...it isn't going to compensate for that (had one shit on me) so you may wanna look into that as well. I've seen it work but I wouldn't do it on my car. Its a band aid for a bigger problem. I have a H/C/I 331 stroker with 30lb injectors that I was able to make idle like a champ on the stock ECU and STOCK Tune. I had a CEL but it was for the EGR which was deleted. With all your sensors in working order, there is no reason you can't get the thing to settle into an idle. I have a slight surge when my car is cold but once it gets a little bit of heat in the motor, its great.</p></blockquote><p></p>