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this would be my first post thank you for reading if you took the time. so i just bought an auto to manual swapped civic for super cheap just for the hell of it shes not the prettiest. its got a crazy clutch shutter type deal in first gear every other gear is fine but making a decent amount of noise thinking about just getting a trans from jdm. engine seems to be in good shape but it idles high and has a cracked windshield. it has a super crusty hood aswell anyways if anyone has any tips on why it might be idling high im all ears im guessing iac valve