Sticky idle, but only when it's warm outside
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From: Tucson, Arizona
Car: 87 Z-28
Engine: A worn-out 305
Transmission: T-5, until it dies
Sticky idle, but only when it's warm outside
A slight tap of the throttle brings it down. I've first cleaned, then replaced the IAC with no improvement. There is no vacuum leak, and it runs fine other than this issue. 
87 TPI 5.0
Anyone have any ideas?
87 TPI 5.0
Anyone have any ideas?
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