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How do you turn the idle down on your 1993 z71 truck?

Updated: 12/10/2022
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Brycehale

Lvl 1
15y ago

Best Answer

There is no idle adjustment. It is controled by the computer.

You need to look for a vacuum leak, And may need to clean the idle air controll that screews into the left rear side of the TBI. throttle body.

Is the check engine light on ?? If so need to scan engine with a engine scanner to see what is wrong with the eminssion system.

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Q: How do you turn the idle down on your 1993 z71 truck?
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