This is a high-frequency vibration which occurs at higher engine speeds, but is unrelated to the vehicle speed. You can feel it with the sole of your foot as it rests on the accelerator pedal, but the Read more Accelerator Pedal Vibration Symptoms And Causes of Malfunction
Accelerator
Gasoline Engine Accelerator Pedal Position Sensor
The accelerator pedal position sensor converts the amount that the accelerator pedal is depressed (angle) to an electrical signal that is sent to the engine ECU. In addition, to ensure reliability, this Read more Gasoline Engine Accelerator Pedal Position Sensor