Damn...this this **** is really starting to **** me off...... I swapped out to my old opti and swapped IAC valves....and it still has the exact same idle problems! Im getting ready to shove this thing off of a cliff! Im goign to try to adjust the valves one more time and see what happens.

-B

 

try your map sensor.... when i did my GM847... it idled like crap because my map died...

try unplegging your map!!!

 

I unplugged the MAP sensor (thats the square black box on the intake manifold right?? and I tried unplugging the MAF sensor also.... no luck.

-B