2003 Chevrolet Trailblazer Q&A

2003 Chevrolet Trailblazer Question: Is there any time that you should change a throttle body or other than it breaks

Or should it just be cleaned every 30000 miles -
Answer 1
you dont have to change the throttle body but you didnt say if you were having problems with it -
Answer 2
Anytime the throttle body is broken, you should replace it...why would you replace it if it isn't broken? -