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Speed limits = Guidelines
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if you unbolt the iac and then juggle the graph for it around in AEM, with the key on, you should see/hear it actuating...make sure the options 1/2 and 3/4 stepper motor are checked in idle options

if it is working, your problem may be the air flow, too small of a supply hose... or possibly the hole in the mani is the wrong size causing a restriction or even flowing too much
 
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