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RPM drops when starting engine cold

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Old Nov 23, 2009 | 10:17 PM
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theGster's Avatar
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RPM drops when starting engine cold

my car is parked outside and when i start it in the moning the RPM drops like its gonna stall then will shoot back up to idle. mind you its not even in the negetives yet, so im scared when it gets that cold it will die. any clue why?
 
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Old Nov 23, 2009 | 11:41 PM
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I wouldn't worry man. How much of a jump are you talking about? Like 200rpm max or like 5000 lol
 
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Old Nov 24, 2009 | 07:24 AM
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well it goes back up to idle 750, but its when i first start my car. it dips below 200 to the point my enigine lights come on like i actually stalled
 
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Old Nov 24, 2009 | 08:04 AM
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First things that come to mind;
Dirty air filter?
Has the throttle body or MAF ever been cleaned?
 
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Old Nov 24, 2009 | 12:42 PM
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My car idles at under 500... I would even say it idles around 200... I always thought it was a little odd but perhaps it's just how it is.... My lights have never come on though even in -60
 
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Old Nov 24, 2009 | 01:38 PM
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Originally Posted by InTgr8r
First things that come to mind;
Dirty air filter?
Has the throttle body or MAF ever been cleaned?
yes and yes. any sensors that control that? i dunno. just scared when it hits minus my car will not start
 
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