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Idle on 460?

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Old Dec 30, 2014 | 04:31 PM
  #1  
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daddylee100
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From: SoCal 909
Idle on 460?

What should the Idle be on a 92' 460?
Mine starts up cold to about 1200 then drops to about 700 in about 3 seconds. no high idle when cold and sometimes the idle will be around 650. is that too low? I see some videos where they idle around 1000 in park.


Here's my cold start to show idle
 
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Old Jan 1, 2015 | 02:35 PM
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Bump

I'm also curious what the factory idle speed should be.
 
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Old Dec 29, 2015 | 05:48 PM
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Oops, wrong thread
 
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Old Dec 29, 2015 | 05:59 PM
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From: Mexico, Missouri
If you unplug the IAC, does the engine idle down or stall?

When was the last time the IAC was removed and cleaned properly?

If you clean it, use brake cleaner, or electronic cleaner and some Q-tips.

Also, does it look like the Throttle Stop Screw has been tampered with? It came from the factory with a painted loctite.
 
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Old Dec 29, 2015 | 06:02 PM
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From: SoCal 909
New IAC, screw hasn't been and TPS return voltage is about .9v. It runs fine just idles really low. Usually in gear at stopped at signal it's like 550/600
 
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Old Dec 29, 2015 | 06:03 PM
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Idle gets lower and a little rough with IAC unplugged
 
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