Low idle on hot start

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94burbk1500

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When it is hot outside, and the engine is hot, the truck idles really low and almost dies on startup. This does not happen in the morning when it is cool and the truck has been sitting. If I give it some gas it comes back to life and idles fine. The truck runs fine aside from this, no codes, any ideas? 1994 burban, stock TBI 5.7L
 

94burbk1500

I'm Awesome
Joined
Jul 13, 2017
Messages
790
Reaction score
334
Location
Omaha, NE
Slight update, engine temp doesn't seem to be a factor, just ambient temp, I just had it happen when the engine was cool. I'll see about cleaning the IAC tonight or tomorrow, whenever I get a chance.
 
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