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Throttle Body Cleaning

CAUTION: Do not insert your fingers into the installed throttle body when you turn the ignition switch to ON (II)/press the engine start/stop button, or while the ignition switch is ON (II)/vehicle in ON mode If you do, you will seriously injure your fingers if the throttle valve is activated
  1. Check for damage to the air cleaner element If the air cleaner element is damaged, replace it (see AIR CLEANER ELEMENT INSPECTION/REPLACEMENT )
  2. Remove the throttle body (see THROTTLE BODY REMOVAL/INSTALLATION )
  3. Clean off the carbon from the throttle valve and inside the throttle body with a paper towel soaked in throttle plate cleaner
    NOTE:
    • Remove the throttle body to clean it
    • Be careful not to pinch your fingers
    • To avoid removing the molybdenum coating, do not clean the bearing area of the throttle shaft (A)
    • Do not spray throttle plate cleaner directly on the throttle body
    • Use Acura genuine throttle plate cleaner
    • Fig 1: Identifying Bearing Cleaning Area Of Throttle Shaft
      G05990466Courtesy of AMERICAN HONDA MOTOR CO., INC.
  4. Install the throttle body (see THROTTLE BODY REMOVAL/INSTALLATION )
  5. Reset the PCM with the HDS (see ECM/PCM RESET )
  6. Turn the ignition switch to ON (II), or press the engine start/stop button to select the ON mode and wait 2 seconds
  7. Do the PCM idle learn procedure (see PCM IDLE LEARN PROCEDURE )