2008 trailblazer LT -changed throttle body, problem
10

Asked by GuruTW9VW Dec 10, 2018 at 09:41 AM about the 2008 Chevrolet Trailblazer 1LT RWD

Question type: Maintenance & Repair

Changed throttle body. Did relearn. On hwy,
ck engine light on, losing power. What to do?

3 Answers
10

GuruTW9VW answered 6 years ago

It finally went out today. Found out that after you do the relearn sequence, if it still isn’t idling right & the ck engine light is on, you run it above 44mph doing several various speeds (rpms) & the computer will relearn the throttle body. Sometimes it takes a week. Well, it finally got it today! Thanks for responding!!

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20

GuruCN92C answered 5 years ago

Yea I was going to say when you clean the throttle body it has to reboot the whole system it’s a pain but worth if it fixes the problem

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