Throttle Body Cleaning Procedure

CAUTION: Wear safety glasses when using compressed air in order to prevent eye injury.

Remove the throttle body from the vehicle. Refer to Throttle Body Assembly Replacement .
Open the throttle valve (3) of the throttle body (2).
Use a solvent soaked cloth (1) to remove dirt or carbon deposits/buildup from the throttle valve and the throttle bore.

Fig 1: Cleaning Throttle Body & Valve

Courtesy of GENERAL MOTORS CORP.

Ensure that the throttle valve and throttle bore are clean and dry.
Inspect that the throttle valve operates smoothly and freely.
Install the throttle body to the vehicle. Refer to Throttle Body Assembly Replacement .