Or should it just be cleaned every 30000 miles
Is there any time that you should change a throttle body or other than it breaks on 2003 Chevrolet Trailblazer
you dont have to change the throttle body but you didnt say if you were having problems with it
1 more answer
Anytime the throttle body is broken, you should replace it...why would you replace it if it isn't broken?