1990 cherokee I6 motor

ok so far ive replaced the the IAC, tps and intake/ exhaust manifold gasket and im still having the same probem, my jeep idles super low to the point that it looks like 200rpms on the tach and runs ok but has a light miss and wheni come to a stop it stalls out and dies. the jeep actually has plenty of power an ddoesnt hesitiate at all. just **** idle. it will close to were it should then go down and stay there then drop back down and repeat. nevr has problems starting.


anyideas?

 

Massive vacuum line leak, or even vacuum leak around injectors.

 

i went through and repaced all the vaccume lines! heh

 

please i need some help otherwise ive got to take it to the....gulp... dealer.