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2002 Lexus RX300 Question: What is the cracking sound when I accelerate?

 

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mrvlv, 3.0L V6, Stafford, TX, April 08, 2013, 15:09
 Rookie

I drive a 2002 Lexus RX300 and I hear a "cracking" sound when I accelerate. What could be causing this?

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  • Answer #1

    tdtoolbox April 09, 2013, 18:30
     Journeyman

    exhaust leak. I would guess exhaust manifold has a crack

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    mrvlv, April 09, 2013, 21:24
     Rookie

    Thank you! Could a bad O2 sensor cause that as well?

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