Hot Rod Forum : Hotrodders Bulletin Board - View Single Post - Very rough idle on cold start up?
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Old 03-19-2004, 08:01 PM
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White is going to be lean. You want a tan color so your right in going one stage richer. Have you checked it with a vacuum gage for vacuum leaks? They will drive the engine nuts along with the tuner. Keep the faith you'll find the problem.
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