Is your Chevrolet Sonic stalling, idling roughly, or hesitating off the line? Carbon buildup on the throttle body is a frequent cause, especially with short trips and stop-and-go driving. These deposits alter airflow and can trigger warning lights. With the Haynes manual, you’ll learn how to access and clean remove the throttle body for cleaning to restore smooth performance. Each print manual includes complete digital access for quick reference. Find your vehicle manual at haynes.com #HaynesMan