Circuit/System Testing
WARNING: This page is about a different car, the 2008 Buick LaCrosse and 2008 Buick Allure. However, it is still accessible from the selected car via links, so may be relevant.
Remove the throttle body assembly. The throttle blade should move without obstructions.
- If an obstruction is found, repair as necessary.
- If no obstruction if found or the condition can not be repaired, replace the throttle body assembly.