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Old 08-22-2011, 09:47 AM   #1
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Fast idle

Does anyone else think these cars idle a little too fast? To me it seems like when stopping, it idles a little too high making it harder to stop. Does anyone know of a way to idle them down?
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Old 08-22-2011, 10:58 AM   #2
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seems fine to me. but i would imagine the idle is electronically controlled and it would be hard to change it.
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Old 08-22-2011, 11:14 AM   #3
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What are you idling at, mine sits at 700-500rpm that is ridiculously low, any lower and it will shut itself off
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Old 08-22-2011, 11:21 AM   #4
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On a cold startup, idles around 1,500 for a minute, then once fully warm, drops to about 600-650. If you've got your A/C running full blast, this will bump the revs up to about 800 or so while waiting for a stoplight. Nothing out of the ordinary if you're experiencing the same as me.
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Old 08-22-2011, 02:29 PM   #5
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Originally Posted by vulcanw View Post
Does anyone else think these cars idle a little too fast? To me it seems like when stopping, it idles a little too high making it harder to stop. Does anyone know of a way to idle them down?
It can be adjusted but by the dealer only as it is computer controlled. My 370Z would idle too high so I had to take it in and get it adjusted, took the tech all of 2 minutes, it was out of factory spec for whatever reason.

Or if you prefer you can purchase your own Nissan Consult 3 to do this: http://www.uobd2.com/wholesale/nissa...stic-tool.html or http://nissanconsult.spx.com/overview.aspx

j/k....
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Old 08-22-2011, 02:59 PM   #6
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not talking about the fast idle at start up. It just seems like the last 5-10 MPH it's still pulling. Tach is around 1000-1100 at 5-10MPH but then drops to around 700 once it comes to a dead stop. Guess she just wants to run
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Old 08-22-2011, 07:15 PM   #7
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not talking about the fast idle at start up. It just seems like the last 5-10 MPH it's still pulling. Tach is around 1000-1100 at 5-10MPH but then drops to around 700 once it comes to a dead stop. Guess she just wants to run
I know exactly what you mean-my car does the exact same thing
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Old 08-22-2011, 08:18 PM   #8
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I think that is for emissions, in the old carburetor-ed days we had "idle decel valves" which did exactly as your describing only today it's computerized.
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Old 08-23-2011, 05:30 AM   #9
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not talking about the fast idle at start up. It just seems like the last 5-10 MPH it's still pulling. Tach is around 1000-1100 at 5-10MPH but then drops to around 700 once it comes to a dead stop. Guess she just wants to run
Ahhh I gotcha. Mine kinda does the same thing when on the brakes coming to a stop. The revs kinda hang a bit and then drop suddenly. I gotta say though, with the latest ECM and TCM reflash I had the dealer take care of last week, it's definitely helped that issue.
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Old 08-23-2011, 06:01 AM   #10
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Ahhh I gotcha. Mine kinda does the same thing when on the brakes coming to a stop. The revs kinda hang a bit and then drop suddenly. I gotta say though, with the latest ECM and TCM reflash I had the dealer take care of last week, it's definitely helped that issue.
Is that a recall type thing or did you go in and ask for a reflash? I'm also seeing a lot of new threads about poor brakes...should we start a poll to see who gets the first rear-ending of some poor sucker in front of us??
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Old 08-23-2011, 09:23 AM   #11
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Is that a recall type thing or did you go in and ask for a reflash? I'm also seeing a lot of new threads about poor brakes...should we start a poll to see who gets the first rear-ending of some poor sucker in front of us??
Eh, I got the TSB performed to get rid of the "booming and vibration". A nice side effect was that the engine and trans was more responsive down low in the revs and the symptom you're describing is a bit less noticeable now.

I have no complaints about the stock brakes on mine. Lord knows I thrashed the hell out of them on the Dragon
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Old 08-23-2011, 02:31 PM   #12
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The other day I was sitting at a light and I thought a truck was behind me, then I realized my car was making the noise, think it's time to get this TSB done
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