I am new to the forum and amature mechanic. I recently bought a 1987 Accord LXi hatchback with low mile (60k). It runs great except for a very rough idle at stop lights or signs. When I shift to neutral, the idle get much better and when I'm driving it is smooth. From my research, my suspicion is the IAVC. My first thought is to give it a good cleaning. Not knowing exactly where it is, I was hoping someone could point me in the right direction of where it is located under the hood and if my suspicion.

Thank You!

Here's a pic of my engine.

Click image for larger version. 

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