87 honda accord lx has crazy or sometimes no idle

87 honda accord lx 5 speed my car idles in a very strange way when cold idles fast which is normal when it warms up it most of the time dies u have 2 keep giving it gas to keep it running when u go down the road at any speed and push in the clutch it dies pop the clutch and it starts barely giving it gas and you can hear it suck air ,sounds like it is comeing from the brake booster sometimes u press in clutch and the rpms go up 2 3000 release clutch and barely giving it gas or barely pumping the gas and u do not hear the sucking of air sound i have replaced the o2 sencor and no luck if u have any suggestions please feal free to share with me thanks in advance cbw

-takes big breath-

there it is...the world's longest sentence...