High idle

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Joined
May 27, 2018
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Kansas City Missouri
I have a 1989 suburban with the old school 7.4 with tbi, my idle is way too high, put a kit in the tbi,seems to run good except for the high idle, any suggestions ?
 

smdk2500

I'm Awesome
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Sounds like you might have a vacuum leak. Did it idle high before you kitted the tbi?
 
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