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Question about IAC's

Zack

4 Doors 4 Life
Mar 21, 2004
6,297
20
NW Indiana
Im trying to figure out why my Marauder/Whipple/Crusher idles so damn high.

I found a vacuum leak at the # 4 cylinder and got that fixed. I even put the mating compound on all surfaces to make sure everything was sealing properly. Got the car running again and same thing. Idles at 1200-1300 in park and 1000 in gear. Its commanding 800rpm in park.

So now I have to look at the IAC. I know if I pinch the line feeding the IAC (remote setup with the Crusher) the idle dies down and the car will die.

The idle will go unaffected if I disconnect the electrical connection.

The question is:
Is the valve in the IAC supposed to be fully seated when 'off' or removed from the car. As it sits, there is a gap between the valve and the seat.
Thanks for the help in advance.
 
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