Operation CHARM: Car repair manuals for everyone.

Throttle Body Cleaning

Throttle Body Cleaning

1. Check for damage to the air cleaner.
2. Remove the throttle body, K20A2/K20Z1 engines, K20A3 engine.
3. Clean off any carbon from the throttle valve and inside of the throttle body with throttle plate and induction cleaner.
4. Install the throttle body, K20A2/K20Z1 engines, K20A3 engine.
5. Do the ECM/PCM idle learn procedure, 2005-2006 models.