First make sure that your floor mat is in position and not pushing against the pedal
Clean out the throttle plate and inspect if the accelerator cable is kinked
then take some WD-40 and spray on your cable and the throttle body make sure it is lubricated.
the sensor that is located on each wheels that controls several features like BA, EBD, VDC, ABS etc.it has a metal round cylinder that monitors the rotation and characteristics of the wheel which can get clogged from every day driving. Clean off the sensors reset the ecu. hope this helps.