Its a 90 integra with the stock b18a1, the problem is the idle goes up to about 900 rpms and down to about 400 rpms and some times it goes so low it turns off, if i have the a/c on its fine but as soon as i turn a/c off car turns off, need help thanks guys

 

cleaned your IACV yet ? any air in the coolant sys(have you bleed it). hmm kinda strange i'd almost expect it to the other way aounrd ac on=crap idle and vice vesa

 

I bled the coolent, it helped a bit, ill try cleaning the iacv, thanks

 

Cleaned the iacv, didnt change, i adjusted the screw on the tb, idles good now, but now as soon as i turn the a/c on it dies, if im on the freeway i could turn the a/c on no problem, but as soon as i come to a stop on the off ramp car dies, seems like when i use any power source (windows, lights etc) car wants to die

 

how new is your alt ?

 

Dont know, i just but the car last week, idle problem is back, it turned off on me at a stop light last night