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Q:

My 94 Honda civic idles very rough in gear. If I shift to neutral, smooths out? on 1994 Honda Civic

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In gear, it idles very roughly, sometimes it will rev up and down. If I shift into neutral, it will immediately smooth out
(2) Answers
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agree with goodguy also ck for misfires
check your Iac valve and for vacuum leaks
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