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Desperate for Ideas/Help....

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Old 04-12-2002, 02:47 PM
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Default Re: Desperate for Ideas/Help....

Did you put too big a hole in the TB? Did you turn the TB idle set screw too much? Both of those will let too much air in. IAC error is probably do to too much air getting in and the idle is too high even with an IAC of zero.
Old 04-12-2002, 03:07 PM
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Default Re: Desperate for Ideas/Help....

Well I adjusted the TB screw just a lil bit. It actually helped. The TB was a friends of mine. It's a stage II Fastech version.
Old 04-12-2002, 05:07 PM
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Default Re: Desperate for Ideas/Help....

1. check the blade stop...

2. could be a vacuum leak, check all points.
Old 04-13-2002, 12:05 AM
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Default Desperate for Ideas/Help....

Before I did the cam/headers my car started to idle high..about 1200 or so. Now that I have the mods it idles at about 2000 when put in neutral while coasting to a stop....then it goes down to about 1450, hangs a bit longer then down to about 1150 once completely stopped. Any input as to what it can be?? I'm getting LS1 edit done eventually but trying to figure out what it is before hand IF I can. I did an a-tap on it last night...detected code PO507 (Idle control systems rpm higher) I was like DUH <img border="0" title="" alt="[Roll Eyes]" src="images/icons/rolleyes.gif" />
Anyone have any ideas as to what I can check. I thought maybe one of my sensors for the TB were bad, but the a-tap proved that it was OK. I checked the EGR the o-ring was off a bit but I fixed it and it still is idling high. I even did the whole idle relearn....it worked on my friends car but not mine <img border="0" title="" alt="[Mad]" src="gr_images/icons/mad.gif" />
I usually post on LS1.com decided to check you guys out. Any ideas would be greatly appreciated.

Kel <img border="0" title="" alt="[Cool]" src="gr_images/icons/cool.gif" />
Old 03-04-2009, 10:03 PM
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Hey I am new here. I have a 2000 T/A cam, longtubes.4.11 gears high flow intake. I have the exact same problem as you do. ive been searching for an answer before I start buying anything.




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