Could you please explain the purpose of the air cut off valve(diaphragm) on the carburetor. My 1987 Accord is intermittently experiencing rough idling especially after a hard acceleration. I applied vacuum to the diaphragm of the Air Cut Off Valve and it doesn't hold a vacuum as it should. Could this defective valve among other possible problems cause rough idling?
Monday, May 6th, 2013 AT 2:44 PM