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Home >> Chevrolet >> 2017 >> SS Automatic Trans >> Repair and Diagnosis >> Engine Performance >> Engine Control Systems >> Engine Controls And Fuel - 6.2L (LS3) - Repair Instructions >> Repair Instructions >> Throttle Position Sensor Replacement >> Removal Procedure
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Removal Procedure

CAUTION:

Handle the electronic throttle control components carefully. Use cleanliness in order to prevent damage. Do not drop the electronic throttle control components. Do not roughly handle the electronic throttle control components. Do not immerse the electronic throttle control components in cleaning solvents of any type.

CAUTION:

DO NOT for any reason, insert a screwdriver or other small hand tools into the throttle body to hold open the throttle plate, as the wedge inside the throttle body could be damaged.

NOTE:

If at ANY time during this procedure the throttle body is dropped, abort this procedure and REPLACE it with a NEW throttle body assembly.

  1. With a scan tool, verify that diagnostic trouble code (DTC) P2135 is set as Current or in History.
  2. Turn the ignition OFF.
  3. Air Cleaner Outlet Duct Remove - Air Cleaner Outlet Duct Replacement 
  4. Fig 1: CPA Retainer, Engine Harness Electrical Connectors & Harness Clips
    GM1696893Courtesy of GENERAL MOTORS COMPANY
  5. Disconnect the electronic throttle control wiring harness connector (3).
  6. Fig 2: Throttle Body Assembly
    GM4279401Courtesy of GENERAL MOTORS COMPANY
  7. Remove Throttle Body Nut (1) (Qty: 2)
  8. Remove Throttle Body Bolt (4) (Qty: 2)
  9. Remove Throttle Body (2)
  10. Remove Throttle Body Gasket (3) and DISCARD
  11. Remove Throttle Position Sensor - Throttle Position Sensor Removal