G35 Sedan V36 2007- 08 Discussion about the 2nd Generation G35 Sedan 2007 - 08

Idle problem

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Old Sep 19, 2011 | 04:22 PM
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Jirir's Avatar
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Idle problem

When i start the car the rpm shoots up to 2000 rpm and slowly comes down to 1000 rpm and stays there. Usually happens in the morning and after i drive the car and start it again it will work fine. Any advice on what it might be Thnks in advance
 
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Old Sep 19, 2011 | 05:03 PM
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mine does the same, it goes back down after its warmed up. I think this is normal.
 
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Old Sep 19, 2011 | 05:21 PM
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From: Dutchess County, NY
yes it's normal. although your idle should be closer to 850, if it's not then clean your throttle bodies for some reassurance. but yes, when you start the car it idles high until it's lubricated and warmed up. no need to worry.
 
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Old Sep 19, 2011 | 08:14 PM
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Same it's normal
 
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Old Sep 19, 2011 | 09:13 PM
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Don't worry this is normal. It always starts high and drops to under 1k. You should worry if it goes under 500 b/c your car will shut off
 
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Old Sep 19, 2011 | 11:40 PM
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Mine does the same, but like remmy suggested get your TB's cleaned.....
 
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Old Sep 20, 2011 | 10:03 PM
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Totally normal. Search.
 
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Old Sep 20, 2011 | 10:31 PM
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Normal..it's weird it still does it when it's 95 out
 
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Old Sep 20, 2011 | 11:15 PM
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Originally Posted by Anton_Chigurh
Normal..it's weird it still does it when it's 95 out
That's because 95* is still a cold engine.

(Hint: think of what your car's thermostat is set to)
 
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Old Sep 21, 2011 | 01:20 PM
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Thnks Guys
 
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Old Sep 21, 2011 | 08:27 PM
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It's normal.. however I've yet to get used to it. Maybe it's just me but I feel like it's hurting the engine to rev up to 2k when it's cold... seems kinda backward.
 
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Old Sep 22, 2011 | 09:34 AM
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Just got my 35xS back from the shop because the idle was erratic and the SES was on. Come to find out, both MAF's were reading out of range (they think the previous owner had installed K&N's or equivalent and the oil damaged the MAF's) and there was a TSB out for high idle. They flashed the ECM with new software. Runs beautiful now. Luckily the car is still under factory warranty.
 
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