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    4. 07 kia sportage 4 cyl. manual trans. What would cause engine to rev up in neutral? 3000RPM & up.
    07 kia sportage 4 cyl. manual trans. What would cause engine to rev up in neutral? 3000RPM & up.

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    0  Views: 2623 Answers: 2 Posted: 15 years ago
    Tags: cars
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      2 Answers

      Vacuum leaks cause this. Go to a garage and find out. My son is a mechanic and considers Kia nearly disposable. Hope that's not your case.
      15 years ago. Rating: 1
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        It could be that you have a bad trans in it.

        14 years ago. Rating: 0
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