rough/bogging idle PLEASE HELP!!

hey wassup teggers-

 my 91 ls/vtec's idle is really low at times and is bogging (rough idling)..but on top of that, it wont start unless i have my pcv valve to the intake manifold disconnected or the map sensor disconnected - i have replaced the pcv valve and tried map sensors from other hondas (crx/civic).. i have to stay on the gas for the motor to turn over and stay on when everything is connected

and also uses up gas like a crackhead uses up crack, hahaha…

can anyone help? any suggestions?

Try posting in the correct forum.

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