rough idle and eventual stall

[Trutrax]

91 240sx Hatch, complete stock ka24de

Turns over fine, but keeps coaking out on me. Will run around 1000rpm then drop and studder before regaining a steady idle. Will continue and repeat this untill it stalls. Any suggestions?

[gthbryce]

Sounds like your vacuum tubes check to make sure they have no cracks. My car was doing the same thing until I replaced the old ones. Some were actually cracked all the way through. Might want to also clean your iacv too.