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2002 Deville
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Discussion Starter #1
I just replace the Idle Air Speed Control on my 02 Deville and now the car idles at 1350 rpms...
I know I need to adjust the idle speed screw, but cannot see it on the throttle body...please help...
 

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White Diamond '03 DHS (with DTS floor shift)
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86,781 Posts
There is no adjustment. The PCM controls it. I'd drive it for a day or two and see if it relearns the idle speed.

Did you clean the TB while you where at it? That could be your problem.
 
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