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What is the idle air control on your 1989 Chevy caprice for and how do you know when it needs adjusted?
Wiki User
∙ 16y ago
on computer controlled vehicles the iac adjusts engine tickover speeds by variing the amount of air it allows through a separate air bleed to the main airflow in throttle body if engine stalls when on tickover or when ac compressor cuts in may need resetting
Wiki User
∙ 16y ago
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