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Easy tutorial on how to test the idle speed actuator (stepper motor) and TPS (throttle position) sensors on your Corsa. When any of these sensors have a problem, one of the symptoms is that the idle speed becomes irregular, the car accelerates or the acceleration drops until the engine turns off. Buy the parts in the video at these links: TPS Sensor: https://www.magazinevoce.com.br/magaz... Idle speed actuator: https://www.magazinevoce.com.br/magaz... #CorsaWind #Corsa #CanalDoLeandro #CorsaEFI #corsab #corsaclube #OpelCorsa