What is the proper idling speed for a 2001 4 Runner?
The proper idling speed for a 2001 Toyota 4Runner is between 600 to 700 rpm (revolutions per minute). You can check and adjust the idling speed using the idle air control valve screw located on the throttle body of the engine. However, it is always recommended to refer to the specific vehicle's service manual or consult with a reputable mechanic for precise values and instructions that may be specific to your particular 4Runner model.