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Is there any time that you should change a throttle body or other than it breaks

(2003 Chevrolet Trailblazer)
in Roanoke, VA on November 16, 2012
Or should it just be cleaned every 30000 miles
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Popular Answer
on November 17, 2012
you dont have to change the throttle body but you didnt say if you were having problems with it
on November 17, 2012
Anytime the throttle body is broken, you should replace it...why would you replace it if it isn't broken?
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