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Home >> Acura >> 2009 >> TSX Standard >> Repair and Diagnosis >> Engine Performance >> System >> Intake Air System (4-CYL) >> Throttle Body Cleaning

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 ON (II) If you do, you will seriously injure your fingers if the throttle valve is activated
  1. Make sure the ignition switch turned LOCK (0)
  2. Check for damage to the air cleaner If the air cleaner is damaged, replace it (see AIR CLEANER REMOVAL/INSTALLATION )
  3. Remove the throttle body (see THROTTLE BODY REMOVAL/INSTALLATION )
  4. Clean off the carbon from the throttle valve and inside the throttle body with a paper towel soaked in throttle plate and induction 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 carburetor cleaner directly on the throttle body
    • Use Honda genuine carburetor cleaner
      • Fig 1: Identifying Throttle Shaft Of Bearing Area
      G05992558Courtesy of AMERICAN HONDA MOTOR CO., INC.
  5. Install the throttle body (see THROTTLE BODY REMOVAL/INSTALLATION )
  6. Connect the HDS to the data link connector (DLC) (A) located under the driver's side of the dashboard
    7. Fig 2: Identifying Data Link Connector
    G05992559Courtesy of AMERICAN HONDA MOTOR CO., INC.
  7. Turn the ignition switch to ON (II)
  8. Reset the ECM/PCM with the HDS
  9. Select the ETCS TEST in the INSPECTION MENU with the HDS
  10. Select TP POSITION CHECK and clear the throttle position (TP) learned value
  11. Turn the ignition switch to LOCK (0)
  12. Turn the ignition switch to ON (II), and wait 2 seconds without pressing the accelerator pedal
  13. Do the ECM/PCM idle learn procedure (see ECM/PCM IDLE LEARN PROCEDURE )
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