Ok I have a 93 civic lx 101'xxx mile it's has a rough idle the rpms almost hit 0 when put into gear . It takes of real slow I put new spark plus and wires new cap and rotor checked the timing firing order is correct also did a half *** compression test by taking the spark plugs out it seems to have good compression any ideas??????

 

Brand new head put on 2 years ago

 

Replace the IACV, clean the throttle body, check for a vacuum leak