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The 1987 Chevy Caprice Brougham with a Rochester E4ME carburetor does not have an idle air control valve (IAC) like modern fuel-injected vehicles. Instead, it uses a mechanical throttle and idle adjustment setup. The idle speed is typically adjusted via the carburetor's idle speed screw. If you're experiencing idle issues, it would be advisable to check the carburetor settings or consider other components like the throttle linkage or vacuum leaks.

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3d ago

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