IS F (2008-2014) Discussion topics related to the IS F model

ISF idle speed

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Old 10-25-14, 03:01 PM
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rselby
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Default ISF idle speed

what does everyone's F idle at with out the AC on, mine is about 500 rpm, which seems low to me, if AC is on it feels about right 750 to 800 rpm.
Old 10-25-14, 03:05 PM
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Sean
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I'm pretty sure mine idles at 500 without AC also, but I haven't paid much attention to it or thought about in quite a while.
Old 10-25-14, 03:34 PM
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flowrider
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You're fine, that's normal. This question has been asked before. The Search Function appears to be down again When it's up again, Ill find other threads for you.

Lou
Old 10-25-14, 03:51 PM
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2011slvISF
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Told you bro
Old 10-25-14, 07:46 PM
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teddert2
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Mine seems to idle higher after I had my headers and exhaust installed. Closer to 700 rpm in park with no AC on.
Old 10-26-14, 05:08 AM
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rselby
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Originally Posted by 2011slvISF
Told you bro
LOL...I know
Old 10-26-14, 05:13 AM
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rselby
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Originally Posted by teddert2
Mine seems to idle higher after I had my headers and exhaust installed. Closer to 700 rpm in park with no AC on.
yeah mine in park or neutral its close to 700 rpm but in gear its lower, guess its normal.
Old 10-26-14, 05:40 AM
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flowrider
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Search Feature back up and running

Look Here:

https://www.clublexus.com/forums/is-...t-500-rpm.html

Lou
Old 10-27-14, 07:32 PM
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tronim
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Yeah thanks for reminding me about learning more about why this car idles at 500rpm in D and around 700rpm in N...
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