07 trailblazer humming
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07 trailblazer humming
my 2007 trailblazer makes a humming sound while accelerating (like a moped sound almost) but only hums when pressing pedal to accelerate. the only thing engine light signals is idle air valve..idk what that is if its the problem. i appericate the help
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preppycowboy06
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pearwear
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