LEMON Manuals: Even more car manuals for everyone: 1960-2025
Home >> Acura >> 2012 >> MDX >> Repair and Diagnosis >> Engine Performance >> System >> Intake Air System >> Throttle Body Cleaning
April 5, 2026: LEMON Manuals is launched! Read the announcement.

Throttle Body Cleaning

CAUTION: Do not insert your fingers into the installed throttle body when you turn the ignition switch to ON (II) or while the ignition switch is in ON (II). If you do, you will seriously injure your fingers if the throttle valve is activated.
  1. Check for damage to the air cleaner. If the air cleaner is damaged, replace it (see AIR CLEANER REMOVAL/INSTALLATION  ).
  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 Throttle Shaft Bearing Cleaning Area
      G08052609Courtesy of AMERICAN HONDA MOTOR CO., INC.
  4. Install the throttle body (see THROTTLE BODY REMOVAL/INSTALLATION  ).
  5. Reset the PCM with the HDS.
  6. Turn the ignition switch to ON (II), and wait 2 seconds.
  7. Do the PCM idle lean procedure (see PCM IDLE LEARN PROCEDURE ).