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dropping back down to idle speed.

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Old Feb 9, 2003 | 05:12 PM
  #1  
sweeper's Avatar
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From: usa
Default dropping back down to idle speed.

When I lift off of the gas to stop, the rpm's don't fall back to idle speed immediately and smoothly. There is a slight pause of a few seconds slightly above idle speed and then it comes down to smooth idle. Its a 2000 itr; no mods. Another itr I drove tended to do the same. Anyone else observe this, is it normal, or does it indicate anything such as engine wear, etc? thanks
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Old Feb 9, 2003 | 05:23 PM
  #2  
uNF$@#!'s Avatar
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Default Re: dropping back down to idle speed. (sweeper)

its normal.

edit: same will happen if you are in neutral, and blip the throttle just a tad bit.


[Modified by Soup ****, 9:24 PM 2/9/2003]
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Old Feb 9, 2003 | 05:45 PM
  #3  
George H's Avatar
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Default Re: dropping back down to idle speed. (Soup ****)

A quick search will show that quite a few people have this "problem". Its not a problem, just a characteristic, so no need to worry
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Old Feb 9, 2003 | 05:51 PM
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Default Re: dropping back down to idle speed. (JuJu)

Seems the ECU may keep the idle a little higher than "normal" while the car is still rolling.
Does it drop "to/like normal" when you come to a complete stand still?
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Old Feb 9, 2003 | 06:11 PM
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Default Re: dropping back down to idle speed. (zygspeed)

No worries, when i come to a stop, idle is at 1600 for 10 secs then it comes down to 1100 if thefan is on, then down to normal idle.
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Old Feb 9, 2003 | 07:42 PM
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From: Murphy, Tx, USA
Default Re: dropping back down to idle speed. (sweeper)

My answers (maybe right or wrong) is that higher idle is due to:
1. Some sort of emission control
2. If your foot is on the brake, something has to power the brakes. Basically the engine. Sort of like when running the air conditioner. doesn't return to normal idle.
3. Car is cold. When my car is cold, I can almost coast uphill without giving it gas. The car will not stall. the computer is keeping the idle high no matter what. (obviously within reason)
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