LT1 Based Engine Tech 1993-1997 LT1/LT4 Engine Related

won't hold idle

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Old 05-14-2005, 03:25 PM
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won't hold idle

I finally got it running after LE1 install, but in order to make it start/hold idle, I need to give it a little gas. Is there an idle adjustment screw that would help solve this, or is it possible I reinstalled the TB wrong so the blades don't hold the correct possition? Still has stock tune.

EDIT: Just so you know, everything looks real promising for a good install. At 2k rpm, it holds oil pressure at the 3rd line, which is what, about 60 psi?
Also, to get it started, its more of a pumping action than just holding it steady, but I havn't tried just holding it steady yet.

EDIT 2: It will start up great when I hold the throttle about half way, then back off again so as not to rev the heck out of it.

Notes:
Answer this and I will get up a video
I have also deleted all my other posts asking for help with teh start up.

Last edited by Beyonce Knowles; 05-14-2005 at 03:55 PM.
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Old 05-14-2005, 03:44 PM
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Re: won't hold idle

Also, if it's a stock TB with an airfoil on it, you'll need to remove the airfoil. It gets in the way of the IAC inlet, not letting enough air in to hold idle. This happened to me when I first got my car up after the ported heads/HOTcam install.
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Old 05-14-2005, 03:44 PM
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Re: won't hold idle

thanks, thats was a good read. But from the looks of it, can't I just adjust the stop screw for a temporary fix until I can get it tuned?
EDIT: whoah, where teh linky go? Anyway, I'll try taking ount the airfoil.
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Old 05-14-2005, 03:47 PM
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Re: won't hold idle

Originally Posted by Beyonce Knowles
I'll try taking ount the airfoil.
Oh yea and lose all your HP!

-Dustin-
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Old 05-14-2005, 03:57 PM
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Re: won't hold idle

Originally Posted by Bersaglieri
Oh yea and lose all your HP!

-Dustin-
I know, if I have to take out the airfoil, I'll probably send the heads and cam back.
I just tried removing the airfoil, didn't work, but then again I forgot to hook up the MAF/other sensor thing. Back to the garage...
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Old 05-14-2005, 03:58 PM
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Re: won't hold idle

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Old 05-14-2005, 04:04 PM
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Re: won't hold idle

Oh yea!? Well you guys wont be laughing after I get this super duper NASA wing and forced induction hair dryer I got from ebay installed!

On a serious note I have no helpful, important, or insightful information to give on this topic. Good luck.

-Dustin-
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Old 05-14-2005, 04:14 PM
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Re: won't hold idle

Well, I'm done for tonight. I got a video if I can find someone to host it. Still need throttle to start, but I'll try and fix it tommorow. I just need to get it running well enough to be able to drive to the muffler shop then get it dyno tuned, probably about 100 miles total, but alot in town, and I don't want it dying on me in traffic.
Oh, wait, I'll be dropping it of at 2am cause of noise
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