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There is no adjustment for the idle. It is controlled by the computer. If it is not idling properly, you probably have a bad Idle Air Control ("IAC Motor") or a bad Throttle position Sensor ("TPS Sensor") If it is turning the check engine light on, you should check to see what code it is setting in the computer.

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14y ago
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Q: How is the idle adjusted on a Chevy 5.7 liter fuel injected engine?
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