hey so i tryed to install my ho manifold and now i have removed and put the stock one back on and now when i drive it will cut out and almost die and at a idle it revs from 1200 to 2000 it gose up and down up and down from 1200 to 2000 at a idle any idea of what it could be please help out thanks ps i have a 97 z24 5 speed trans if that help and could it be my iac ????? just a idea k thanks

you might have a vaccum line not securly fastened or something like that.


http://www.cardomain.com/ride/2090440

yes sounds like a vaccum, I would check youre map sensor vaccum line.