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Car idling at 2000....help?

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Old 03-27-2006, 11:34 AM
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Default Car idling at 2000....help?

So last night my car started idling rough after I did some racing.....at a stop light in neutral my car was idling at 2000 rpm's and a few times it would go from 1500-2000....sometimes it will go back down to around 1100 though. I drove it to breakfast this morning and when I came back to the house it idled at 2k for a little while and then dropped back down. Any ideas what could cause this?
Old 03-27-2006, 12:29 PM
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Sounds like you may have a vacuum leak......
Old 03-27-2006, 01:04 PM
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i was wondering if it could have had something to do with my WOT switch for my nx kit but everything looks ok....so i dont know.
Old 03-27-2006, 01:13 PM
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Originally Posted by Vertigo
Sounds like you may have a vacuum leak......
That's what I'm thinking. Either that or your IAC is acting up.
Old 03-27-2006, 01:43 PM
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Check your TPS too. After porting my tb, my car would do the same thing. Turns out the tps wasn't completely tight & was bouncing between 0%-2%.
Old 03-27-2006, 08:30 PM
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I bet you its the Throttle Positioning Sensor (TPS). Mine use to do the same thing. Either in park or in drive. Also, it starting shifting at different rpms and sometimes didn't want to shift at all. A new sensor fixed everything.
Old 03-27-2006, 08:31 PM
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take off the TB and remove the sensors, clean everything with carb cleaner and reinstall it that my solve the problem
Old 03-27-2006, 10:44 PM
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ok, i will do that tomorrow after class.....and let you guys know what happens. if not i will see about the tps. thanks guys
Old 03-28-2006, 08:41 PM
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I'm having the same kind of problem. My IAC keeps going bad for some reason. I have one that idles at 3000 and the other registers no counts while scanning. And the car will not idle up or down with it.
Old 03-29-2006, 09:00 PM
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Same issue here. Willing to try anything.
Old 03-30-2006, 12:50 AM
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i havent had a chance to do anything with the TB but the last couple days it hasnt been doing it...its gone close to 1500 a few times but thats pretty much it.
Old 03-30-2006, 08:56 AM
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Originally Posted by mulletwearingtadrive
i havent had a chance to do anything with the TB but the last couple days it hasnt been doing it...its gone close to 1500 a few times but thats pretty much it.
if its intermittent like that i would have to agree that its one of your sensors...Oh btw at some point did u ever take off your LID? I know i have been in a hurry and for got to hook up those two connections...you may want to check that out also..
Old 03-30-2006, 04:15 PM
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I had this problem too. Turns out it was the rubber piece coming from the air box that had collapsed. check that out




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