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Quick question about 991 idle

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Old 03-18-2023 | 01:37 PM
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Default Quick question about 991 idle

Hi
I'm in the market for a 991.1 Carrera or Carrera S and have a quick question.
When the engine is warm, how is the idle? When looking at the tachometer, is the needle supposed to be dead stable or does it usually dance a little? I test drove a base and a 4S and both times was surprised that the needle wasn't that stable.
I uploaded a video of the Carrera.
I have a 997.1 Turbo and the needle doesn't move at all.
Thanks for your help.
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carrera idle.mov (17.99 MB, 54 views)
Old 03-18-2023 | 05:38 PM
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Slight fluctuation is normal. My car does it too.
Old 03-19-2023 | 12:13 AM
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That's normal. (At least I hope it is). My 2012 991.1 C2S is the same.
Old 03-19-2023 | 02:19 AM
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Originally Posted by ddolbi
Slight fluctuation is normal. My car does it too.
ditto my 2013 C2S. noticed it on the other 991 C2S's I test drove as well. not sure about the base.
Old 03-19-2023 | 10:01 AM
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Ditto also to my ‘13 C2S…it dances around at 800rpm
Old 03-19-2023 | 10:22 AM
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Interesting. . . I'm about to post my experience with my 2015 991.1 and spark plugs, etc.
Old 03-19-2023 | 10:35 AM
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I know this is a.1 thread but my .2 C2S is absolutely stable at all temps.
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Old 03-20-2023 | 07:50 PM
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Thanks all
pulled the trigger on a c4s. Will post pics soon.
Old 03-20-2023 | 10:04 PM
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Originally Posted by bokh
Thanks all
pulled the trigger on a c4s. Will post pics soon.
Congratulations! Enjoy your Porsche!
Old 03-23-2023 | 04:05 PM
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When starting at cold temperatures, it's also totally normal for the engine to idle at a higher RPM for a minute or two and then it'll stabilize near a lower RPM.



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