2011 9-3X rough initial idle when started, hot or cold - Saab 9-3SS Bulletin Board - Saabnet.com
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2011 9-3X rough initial idle when started, hot or cold
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Posted by GoldenSaab [Email] (#909) [Profile/Gallery] (more from GoldenSaab) on Thu, 16 Dec 2021 14:25:24 Share Post by Email
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Whenever I start the car it almost always idles rough whether its hot or cold, particularly when cold though. Reving the motor a bit always clears things up, either hot or cold. It has just started this in the past couple of weeks. I'm in Williamsburg, Virginia so when I say cold I mean that the engine has been off for a long while. Temps here haven't really gotten much below freezing yet. When cold reving it restores the initial fast idle. It has the 210 HP 2.0, automatic and just over 47,000 miles. I try to always try to use top tier gasoline. I put some Lucas injector cleaner in the tank, but too early to know if that will have any effect. Thanks in advance for any ideas of what to look for as the cause.

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