Cleaned my IAC today

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The blacknes on the walls insnt a problem. It is the build up on the seat and plunger, causes sticking.
 
That's dirty! May as well clean the throttle body while you're there.

Use the specific TB cleaner instead of carb cleaner, not as harsh.

 
Ditto Eddie. Make sure you lubricate the IAC plunger. (Project Link)
 
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I cleaned my IAC valve about a week ago or 100 miles ago. The check engine light has now come on. Could this be due to the battery being disconnected and the computer "rebooting".



 

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