Vehicle Questions and Answers
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The 2005 Chevy Impala has an idle air control valve located on the left side of the throttle body. This valve is essential for regulating the engine's idle speed and preventing it from stalling. Signs of a faulty IAC valve include car stalling, incorrect idle speed, or the check engine light turning on. In severe cases, a completely malfunctioning IAC valve may prevent the car from starting altogether. If you experience any of these issues, it's time to consider replacing the IAC valve. The replacement cost typically ranges from $150 to $500, but prices may vary depending on the source of parts.
The idle air control valve for a 2005 Chevy Impala is located to the left of the throttle body.