Question about 2003 Toyota Corolla

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I have Toyota Corolla Expert 03 Model, it Revs to high in Park and Neutral, would you have any idea on why it does this. Thanks, Bob.

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One possibility is a vaccum leak. After that, it would almost have to be a IACV or TPS. Fastest way to tell if it is a vaccum leak is start the car with the hood opened, let it run for a second then shut it off. If you can hear a sucking or hissing sound, then it is a vaccum leak. Check Engine light might also be on with a code that says "Bank 1 too lean"

Posted on Jun 22, 2009

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Posted on Jan 02, 2017

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