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Catalytic converter and high altitude

Discussion in 'Gen 2 Prius Care, Maintenance and Troubleshooting' started by Jodylisa, Nov 12, 2013.

  1. Jodylisa

    Jodylisa New Member

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    I just moved to Colorado with my 2009 Prius and on the fifth day here the check engine light went on and the dealership said my catalytic converter failed. Luckily I was still under warranty. Is this related to the altitude or just a coincidence?
     
  2. rdgrimes

    rdgrimes Senior Member

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    Not related to altitude. The system compensates very well to altitude, so the converter wouldn't know the difference.
     
  3. Paradox

    Paradox Prius Enthusiast / Moderator
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    Moved from the Prius v maintenance/troubleshooting forum to the Gen II maintenance/troubleshooting forum.
     
  4. ccdisce

    ccdisce Active Member

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    How may miles do you have on the car?