Or should it just be cleaned every 30000 miles
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2003 Chevrolet Trailblazer
Question: Is there any time that you should change a throttle body or other than it breaks
Answer #1goodguy November 17, 2012, 04:53Master
you dont have to change the throttle body but you didnt say if you were having problems with it
Answer #2your.mechanic November 17, 2012, 22:11Master
Anytime the throttle body is broken, you should replace it...why would you replace it if it isn't broken?