What is Honda Feng Fan solar hex screw?

Adjust the clearance of the motor inside the electronic throttle to indirectly adjust the idle speed, which is usually set at the factory! Don't tune! If the idle speed is abnormal! Can be adjusted and initialized by computer! Do the relearning of TP position! If there is something wrong with the car, ask the car master. 4S shop professional technician, 10 minutes to solve.