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Low Idle

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Old Nov 12, 2004 | 10:33 AM
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Low Idle
I adjusted the idle screw a lot of times but my idle after coming to a stop still drops to like 550 600 sometimes even lower. I did a full tune up not to long ago but what gives why is it low?
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Old Nov 12, 2004 | 10:39 AM
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Originally Posted by HarrisH
I adjusted the idle screw a lot of times but my idle after coming to a stop still drops to like 550 600 sometimes even lower. I did a full tune up not to long ago but what gives why is it low?

Could be you need a throttlebody cleanup. Mine would sit at 400 then creep back up to 700. I just cleaned the throttlebody and everything is back to normal.
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Old Nov 12, 2004 | 10:40 AM
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Sometimes the IACV gets dirty - clean this out while you clean out the TB.
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Old Nov 12, 2004 | 11:28 AM
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Why would the TB affect idle? Did you disconnect the BROWN TPS connector before adjusting idle like you're supposed to?
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Old Nov 12, 2004 | 11:30 AM
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Originally Posted by DAVE Sz
Why would the TB affect idle? Did you disconnect the BROWN TPS connector before adjusting idle like you're supposed to?
Would a TB that is sticking open affect idle speed? I thought it would.
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Old Nov 12, 2004 | 11:36 AM
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Originally Posted by DAVE Sz
Why would the TB affect idle? Did you disconnect the BROWN TPS connector before adjusting idle like you're supposed to?
Maybe I just misread but from what he was saying, it sounded like it drops intermitently to 650-700, which is normal idle. If the idle is rough and RPMs fluctate, I would say it could related to TB.
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Old Nov 12, 2004 | 11:45 AM
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reset your ecu see if that helps, alsomake sure the CEL light is one when you turn it to the ON position, w/o starting the car, (this is normal)
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Old Nov 12, 2004 | 08:36 PM
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Originally Posted by DAVE Sz
Why would the TB affect idle? Did you disconnect the BROWN TPS connector before adjusting idle like you're supposed to?

You're supposed to adjust the black screw after you remove the BROWN TPS connector??? How do you know if your TPS is good or not...?
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Old Nov 12, 2004 | 08:49 PM
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Originally Posted by HarrisH
You're supposed to adjust the black screw after you remove the BROWN TPS connector???
Yes... that is the correct procedure.
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Old Nov 12, 2004 | 08:51 PM
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Originally Posted by njmodi
Yes... that is the correct procedure.

While the car is running or off?
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Old Nov 15, 2004 | 06:49 AM
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Originally Posted by HarrisH
While the car is running or off?
http://home.earthlink.net/~maxfaq - look under maintenance for how to adjust the idle speed - the entire procedure is outlined there.
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