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how do you tell a good iac from a bad one?

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Old Jun 6, 2002 | 03:30 PM
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1bad350's Avatar
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how do you tell a good iac from a bad one?

how do you know when you have a bad iac valve? my car has lots of ideling problems so i took out the iac it had some crap on it but not to much... it it supposed to move ? mine dosent.... what does it do?
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Old Jun 6, 2002 | 10:16 PM
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Free Bird's Avatar
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From: Dale City, VA
Car: 91 GTA and 85 IROC
Engine: 355
Transmission: gear jammer
Axle/Gears: 4.11
When the TB blades close, the valve opens and lets air in to keep the motor running.

I don't know how to tell if its bad or not. Mine might be F***keD as well. I'm not sure:lala:
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