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whats your idle speed

Old Apr 29, 2010 | 09:40 PM
  #1  
ken72's Avatar
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Default whats your idle speed

Just trying to see what the average idle speed for most is. When I sit at a stop light, my idle speed is just under 500 rpms. I would say mine sits right at 400 or so. What is your idle speed?

Last edited by ken72; Apr 29, 2010 at 10:14 PM.
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Old Apr 29, 2010 | 09:42 PM
  #2  
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depends on what see is wearing
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Old Apr 29, 2010 | 09:46 PM
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Default Idle

My XJ is auto and in drive at normal operating temp is about 750 rpms.
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Old Apr 29, 2010 | 09:47 PM
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From: Visalia, Kalifornia, ussa
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About 750 rpm or 2wd/4hi at 10 MPH and 4lo 2-5mph
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Old Apr 29, 2010 | 09:48 PM
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700-800, auto, in park, at operation temp
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Old Apr 29, 2010 | 10:05 PM
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at a stop light mine also sits at about 300-400 rpms, sometimes 200 but it comes back up a little bit. I have a '90 auto 6I
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Old Apr 29, 2010 | 10:16 PM
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ken72's Avatar
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I have read that 400 to 500 is normal, 750 seems a little high to me.
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Old Apr 29, 2010 | 10:44 PM
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Year: 1988
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mine sits at 200 at idle when cold and 250/300(MAYBE) when at operating temp

actually sometimes it sits at 200 even at operating temp.

but my jeep is special.
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Old Apr 29, 2010 | 10:50 PM
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My jeep idles at 1k cold, but after warming up, it sits at 600-700 rpms.
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Old Apr 29, 2010 | 10:52 PM
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Originally Posted by ZaKingHunter
My jeep idles at 1k cold, but after warming up, it sits at 600-700 rpms.

thats normal.

my jeep is just retardedly special.
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Old Apr 29, 2010 | 11:24 PM
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Originally Posted by ZaKingHunter
My jeep idles at 1k cold, but after warming up, it sits at 600-700 rpms.
mine is the same way. i have a 96 I6 with a manual
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Old Apr 29, 2010 | 11:39 PM
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750 cold and after warmed up it settles at about 300
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Old Apr 30, 2010 | 04:40 AM
  #13  
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600-700 at operating temp
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Old Apr 30, 2010 | 06:52 AM
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From: Brentwood, TN
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Its amazing how much idle speed varies amoung us. I was feeling like 400 to 450 was low but I am starting to feel ok about it. If I had a manual shift I would be looking for more in the 600 to 700 range but I guess mine is ok for an automatic.
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Old Apr 30, 2010 | 07:40 AM
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Originally Posted by ZaKingHunter
My jeep idles at 1k cold, but after warming up, it sits at 600-700 rpms.
Mine is the exact same.
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