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Home >> GMC >> 2020 >> Terrain Denali, FWD >> Repair and Diagnosis >> External Pages >> Different variant/trim >> Section 3 (Engine Controls And Fuel - 1.5L (LYX) - Repair Instructions) >> Repair Instructions >> Throttle Body Inspection and Cleaning

Throttle Body Inspection and Cleaning

WARNING: This page is about a different variant/trim than selected.
  1. Throttle Body Assembly Replacement  - Remove
  2. 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.

    NOTE:

    Fully open the throttle valve in order to inspect the throttle body bore and the throttle valve plate for any deposits.

  3. Inspect the throttle body bore and the throttle valve plate for deposits.
  4. CAUTION:

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

  5. Clean the throttle body bore and the throttle valve plate using a clean shop towel with an appropriate cleaner.
  6. Throttle Body Assembly Replacement  - Install.
  7. Perform the following procedure/test:Diagnostic Repair Verification
  8. Perform the following learn procedure:Throttle Body Idle Air Flow Compensation Reset