The torque converter will allow the engine to idle if the vehicles is stopped Although the transmission contains a gear engaged. Because the identify suggests, the torque converter converts (amplifies) the input torque with the motor into an increased output torque. This specific function with the torque converter is impossible https://torque-converter-clutch31863.blogspothub.com/33094992/not-known-factual-statements-about-torque-converter-clutch