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Home >> Chevrolet >> 2020 >> Express 2500 LS, 6.0L Eng VIN G >> Repair and Diagnosis >> External Pages >> Different variant/trim >> Section 17 (Engine Controls And Fuel - 4.3L (LV1) - Repair Instructions) >> Repair Instructions >> Throttle Body Cleaning

Throttle Body Cleaning

WARNING: This page is about a different variant/trim than selected.
  1. Air Cleaner Outlet Duct - Remove - Air Cleaner Outlet Duct Replacement 
  2. Disconnect the electrical connector.
  3. WARNING:

    Turn OFF the ignition before inserting fingers into the throttle bore. Unexpected movement of the throttle blade could cause personal injury.

    CAUTION:

    Do not insert any tools into the throttle body bore in order to avoid damage to the throttle valve plate.

  4. Inspect the throttle body bore and throttle plate for deposits. You need to open the throttle plate in order to inspect all surfaces.
  5. CAUTION:

    Do not use any solvent that contains Methyl Ethyl Ketone (MEK). This solvent may damage fuel system components.

  6. Clean the throttle body bore and the throttle plate using a clean shop towel with GM Top Engine Cleaner or an equivalent product. Adhesives, Fluids, Lubricants, and Sealers
  7. Connect the electrical connector.
  8. Air Cleaner Outlet Duct - Install - Air Cleaner Outlet Duct Replacement 
  9. Perform the following procedure/test: Diagnostic Repair Verification
  10. Perform the configuration/reset function: Throttle Body Idle Air Flow Compensation Reset