Q: Throttle body unit

asked by on January 19, 2018

Hi I have a big problem with my vehicle mybe you can help me. Idle too high 3000rpm, my mechanic clean the throttle body that my cause the propblem. Before it idle perfect like normal. So I end up buying new throttle body, the problem the same. I dont know if this unit need to be releaning. Will you suggest to take it to the dealer or small shop. Thanks

My car has 175000 miles.
My car has an automatic transmission.

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