demadaha Posted July 8, 2007 Share Posted July 8, 2007 I picked up an '89 accord not long ago and I am rather unfamiliar with hondas. I noticed that in the air cleaner there is a round hole that has a vacuum in it and makes a popping sound (that I believe is exhaust getting into the pipe) while the car is running. Every so often the popping sound will stop and the car will run perfectly, but while it is popping the car runs rough and dislikes the very idea of idling. Edit: I replaced the black thingymajig and the valve that is attached to it because the black casing had a crack in it and was the cause of a vacuum leak and that appears to be where the exhaust is coming from. Link to comment Share on other sites More sharing options...
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