The AIT valve is killing me, need help Cam experts
12-01-2001, 03:05 PM
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The AIT valve is killing me, need help Cam experts Just installed the Hammer cam and I have drill the throttle body to 13/64 and the car idles good for about 2-3 minutes and then the AIT valve starts trying to adjust idle.
Is there any way to fix/mod problem.
Is there any way to fix/mod problem.
12-01-2001, 11:10 PM
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Re: Thw AIT valve is killing me, need help Cam experts I'm not an expert and my cam is less aggressive than yours, but what I did was drill the TB to 3/16, which your already one size larger, and raise the idle bump stop screw up to were it idles at 700-730 RPM. That brought my IAC count from 70 down to 35. No more surging and no more dying <img src="images/icons/smile.gif" border="0"> only other thing I can think of is custom PCM programming...
12-02-2001, 10:42 AM
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Re: Thw AIT valve is killing me, need help Cam experts I spent a few months driving and fine tuning my idle speed after my Hot Cam install. I would make a small adjustment, then drive it a week or so to let it learn. In a nutshell, after drilling the TB to the point where it was close, I fine tuned the base idle speed to where the IAC was in the single digits with all accessories off and the engine at operating temperature.
