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Throttle Body: Inspection

  1. INSPECT THROTTLE BODY ASSEMBLY 
    1. Inspect that the throttle valve shaft is not rickety.
    2. Inspect that all ports are not clogged.
    3. Inspect that the throttle valve opens and closes smoothly.
    4. Inspect that there is no clearance between the throttle stop screw and throttle lever at throttle valve closed position.
      NOTE: Do not touch the throttle stop screw.
      Fig 1: Checking No Clearance Between Throttle Stop Screw And Throttle Lever
      G04153210Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002