In this video I explain how to fix rough idle. Rough idle can be caused by clogged idle air control, vacuum leak, stuck open pcv, stuck open egr, engine misfire, low compression and so on. It does not matter if check engine light is on or off. I cover all the bases in this video. Rough idle can occur at cold start, when warmed up, at the stop light or replacing parts such as spark plugs.
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