ello... i have a 92civic wit a b16 engine. lately its been idling funny it normally idled at 500rpm b4 but now da idle is no longer steady instead moves up n down from 500-700rpm. if i rev da engine up while in neutral wen da revs go down i notice da engine seems like it wants to die. ive been told i may have a vacuum leak but i havent been able to figure dat out yet... if ne1 else knows of ne other answers please let me knwo itd be greatly appreciated thnx... itd be great 2 have da car runnin like a beast again rather den a sick puppy